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WorksheetsDatrys Hafaliadau Llinol - Anhysbys pob Ochr
Total questions: 100
Worksheet time: 3hrs 20mins
Name
Class
Date
1.
Datryswch yr hafaliad: 8k + 14 = 6k + 24
a)
k = 5
b)
k = 9
c)
k = 3.5
d)
k = 2
e)
k = 6
2.
Datryswch yr hafaliad: 4z + 29 = 5z + 17
a)
z = 16
b)
z = 12
c)
z = 13
d)
z = 10
e)
z = 13
3.
Datryswch yr hafaliad: 11a - 10 = 4a + 4
a)
a = -1
b)
a = 8
c)
a = 2
d)
a = 4
e)
a = -2
4.
Datryswch yr hafaliad: 2a + 60 = 10a - 20
a)
a = 9
b)
a = 9
c)
a = 14
d)
a = 10
e)
a = 15
5.
Datryswch yr hafaliad: 6k + 11 = 32 - k
a)
k = 8
b)
k = 2.5
c)
k = 0
d)
k = 13
e)
k = 3
6.
Datryswch yr hafaliad: 51 - 10𝑥 = 2𝑥 + 15
a)
𝑥 = 3
b)
𝑥 = 4.5
c)
𝑥 = 0.5
d)
𝑥 = 0
e)
𝑥 = 4
7.
Datryswch yr hafaliad: 3y - 1 = 49 - 7y
a)
y = 7
b)
y = 5
c)
y = 9
d)
y = 3
e)
y = 2
8.
Datryswch yr hafaliad: 16 - 2α = 3α - 14
a)
α = 7
b)
α = 9
c)
α = 6
d)
α = 7.5
e)
α = 5.5
9.
Datryswch yr hafaliad: 9n - 56 = n - 8
a)
n = 5.5
b)
n = 5
c)
n = 14
d)
n = 6
e)
n = 8
10.
Datryswch yr hafaliad: α - 10 = 4α - 31
a)
α = 8.5
b)
α = 3
c)
α = 8
d)
α = 17
e)
α = 7
11.
Datryswch yr hafaliad: 9 - 9k = 27 - 12k
a)
k = 6
b)
k = 8
c)
k = 3
d)
k = 9
e)
k = 7
12.
Datryswch yr hafaliad: 21 - 5n = 16 - 4n
a)
n = 9
b)
n = 5
c)
n = 7.5
d)
n = 3.5
e)
n = 2
13.
Datryswch yr hafaliad: 7α + 12 = 4α + 39
a)
α = 10
b)
α = 12
c)
α = 9
d)
α = 9.5
e)
α = 5.5
14.
Datryswch yr hafaliad: 4z + 9 = 5z + 5
a)
z = 1.5
b)
z = 1
c)
z = 8
d)
z = 4
e)
z = 8
15.
Datryswch yr hafaliad: 3z - 14 = z + 18
a)
z = 21
b)
z = 13
c)
z = 15
d)
z = 19
e)
z = 16
16.
Datryswch yr hafaliad: 4y + 20 = 6y - 20
a)
y = 20
b)
y = 23.5
c)
y = 16
d)
y = 19
e)
y = 22
17.
Datryswch yr hafaliad: 9y + 18 = 139 - 2y
a)
y = 15
b)
y = 11
c)
y = 14
d)
y = 13
e)
y = 10
18.
Datryswch yr hafaliad: 74 - α = 11α + 14
a)
α = 2
b)
α = 11
c)
α = 5
d)
α = 9.5
e)
α = 4
19.
Datryswch yr hafaliad: y - 18 = 18 - 2y
a)
y = 10.5
b)
y = 11
c)
y = 16
d)
y = 12
e)
y = 16.5
20.
Datryswch yr hafaliad: 6 - 8𝑥 = 𝑥 - 12
a)
𝑥 = 5.5
b)
𝑥 = -0.5
c)
𝑥 = -1
d)
𝑥 = 12
e)
𝑥 = 2
21.
Datryswch yr hafaliad: 13z - 94 = 5z - 14
a)
z = 10
b)
z = 13.5
c)
z = 7
d)
z = 11
e)
z = 12
22.
Datryswch yr hafaliad: 5α - 14 = 12α - 70
a)
α = 10
b)
α = 8
c)
α = 11.5
d)
α = 6.5
e)
α = 9
23.
Datryswch yr hafaliad: 2 - y = 18 - 5y
a)
y = 1
b)
y = 10
c)
y = 4
d)
y = 4.5
e)
y = 2
24.
Datryswch yr hafaliad: 129 - 14n = 9 - 2n
a)
n = 8.5
b)
n = 11
c)
n = 14
d)
n = 10
e)
n = 13.5
25.
Datryswch yr hafaliad: 6𝑥 + 18 = 2𝑥 + 58
a)
𝑥 = 12
b)
𝑥 = 9.5
c)
𝑥 = 11
d)
𝑥 = 15
e)
𝑥 = 10
26.
Datryswch yr hafaliad: 3n + 27 = 5n + 3
a)
n = 12
b)
n = 12.5
c)
n = 9
d)
n = 11
e)
n = 13
27.
Datryswch yr hafaliad: 4y - 11 = 2y + 11
a)
y = 13
b)
y = 11
c)
y = 15.5
d)
y = 8
e)
y = 10
28.
Datryswch yr hafaliad: 3𝑥 + 90 = 13𝑥 - 20
a)
𝑥 = 12
b)
𝑥 = 14
c)
𝑥 = 11
d)
𝑥 = 12
e)
𝑥 = 9.5
29.
Datryswch yr hafaliad: 5y + 17 = 59 - y
a)
y = 6
b)
y = 6
c)
y = 15
d)
y = 7
e)
y = 7.5
30.
Datryswch yr hafaliad: 81 - p = 5p + 9
a)
p = 15.5
b)
p = 10
c)
p = 13
d)
p = 22
e)
p = 12
31.
Datryswch yr hafaliad: 3n - 11 = 38 - 4n
a)
n = 7
b)
n = 10
c)
n = 3
d)
n = 6
e)
n = 9
32.
Datryswch yr hafaliad: 16 - y = 11y - 8
a)
y = 4
b)
y = 2
c)
y = 5
d)
y = -1
e)
y = 0
33.
Datryswch yr hafaliad: 8𝑥 - 59 = 3𝑥 - 14
a)
𝑥 = 8
b)
𝑥 = 15
c)
𝑥 = 9
d)
𝑥 = 9.5
e)
𝑥 = 6
34.
Datryswch yr hafaliad: n - 11 = 5n - 35
a)
n = 3.5
b)
n = 5
c)
n = 14
d)
n = 6
e)
n = 8.5
35.
Datryswch yr hafaliad: 11 - 6p = 81 - 13p
a)
p = 14
b)
p = 8
c)
p = 9
d)
p = 20
e)
p = 10
36.
Datryswch yr hafaliad: 52 - 13𝑥 = 7 - 8𝑥
a)
𝑥 = 9
b)
𝑥 = 14
c)
𝑥 = 8.5
d)
𝑥 = 8
e)
𝑥 = 10
37.
Datryswch yr hafaliad: 3y + 3 = 2y + 10
a)
y = 9
b)
y = 7
c)
y = 9.5
d)
y = 6.5
e)
y = 8
38.
Datryswch yr hafaliad: p + 50 = 4p + 14
a)
p = 11
b)
p = 18
c)
p = 12
d)
p = 13
e)
p = 10.5
39.
Datryswch yr hafaliad: 14k - 7 = 2k + 137
a)
k = 10.5
b)
k = 13
c)
k = 16
d)
k = 12
e)
k = 14
40.
Datryswch yr hafaliad: 2a + 4 = 3a - 11
a)
a = 16.5
b)
a = 12.5
c)
a = 16
d)
a = 20
e)
a = 15
41.
Datryswch yr hafaliad: 2𝑥 + 18 = 54 - 2𝑥
a)
𝑥 = 9
b)
𝑥 = 14
c)
𝑥 = 7.5
d)
𝑥 = 10
e)
𝑥 = 10
42.
Datryswch yr hafaliad: 142 - 6z = 5z + 10
a)
z = 16
b)
z = 12
c)
z = 12.5
d)
z = 8.5
e)
z = 11
43.
Datryswch yr hafaliad: 11𝑥 - 15 = 45 - 𝑥
a)
𝑥 = 2
b)
𝑥 = 8
c)
𝑥 = 5
d)
𝑥 = 8
e)
𝑥 = 3.5
44.
Datryswch yr hafaliad: 109 - 𝑥 = 8𝑥 - 8
a)
𝑥 = 9
b)
𝑥 = 14
c)
𝑥 = 21
d)
𝑥 = 13
e)
𝑥 = 14
45.
Datryswch yr hafaliad: 6𝑥 - 43 = 3𝑥 - 10
a)
𝑥 = 12.5
b)
𝑥 = 9.5
c)
𝑥 = 12
d)
𝑥 = 16
e)
𝑥 = 11
46.
Datryswch yr hafaliad: 6y - 1 = 11y - 61
a)
y = 12
b)
y = 12.5
c)
y = 11.5
d)
y = 11
e)
y = 13
47.
Datryswch yr hafaliad: 2 - p = 13 - 12p
a)
p = 3
b)
p = 1
c)
p = 4.5
d)
p = -3
e)
p = -2
48.
Datryswch yr hafaliad: 49 - 8𝑥 = 4 - 3𝑥
a)
𝑥 = 10
b)
𝑥 = 15
c)
𝑥 = 9
d)
𝑥 = 9.5
e)
𝑥 = 5
49.
Datryswch yr hafaliad: 13α + 13 = 5α + 29
a)
α = -0.5
b)
α = -1
c)
α = 10
d)
α = 2
e)
α = 3.5
50.
Datryswch yr hafaliad: 𝑥 + 113 = 10𝑥 + 14
a)
𝑥 = 14
b)
𝑥 = 7.5
c)
𝑥 = 12
d)
𝑥 = 21
e)
𝑥 = 11
51.
Datryswch yr hafaliad: 11a - 11 = 2a + 97
a)
a = 12
b)
a = 14.5
c)
a = 10.5
d)
a = 11
e)
a = 14
52.
Datryswch yr hafaliad: 9a + 2 = 12a - 10
a)
a = 8
b)
a = 4
c)
a = 6.5
d)
a = 3.5
e)
a = 1
53.
Datryswch yr hafaliad: 4𝑥 + 1 = 133 - 7𝑥
a)
𝑥 = 13
b)
𝑥 = 18
c)
𝑥 = 12
d)
𝑥 = 17
e)
𝑥 = 9
54.
Datryswch yr hafaliad: 39 - 2n = 9n + 6
a)
n = 2.5
b)
n = 0
c)
n = 11
d)
n = 3
e)
n = 4.5
55.
Datryswch yr hafaliad: 7𝑥 - 20 = 12 - 𝑥
a)
𝑥 = 5
b)
𝑥 = 3.5
c)
𝑥 = 1
d)
𝑥 = 14
e)
𝑥 = 4
56.
Datryswch yr hafaliad: 14 - y = 2y - 10
a)
y = 8
b)
y = 9
c)
y = 10
d)
y = 7
e)
y = 9
57.
Datryswch yr hafaliad: 13k - 51 = 3k - 1
a)
k = 7
b)
k = 5
c)
k = 8.5
d)
k = 1.5
e)
k = 2
58.
Datryswch yr hafaliad: 2y - 15 = 13y - 125
a)
y = 11
b)
y = 13
c)
y = 10
d)
y = 12.5
e)
y = 8
59.
Datryswch yr hafaliad: 11 - 9y = 27 - 13y
a)
y = 2.5
b)
y = 1
c)
y = 12
d)
y = 4
e)
y = 7.5
60.
Datryswch yr hafaliad: 13 - 7𝑥 = 9 - 6𝑥
a)
𝑥 = 7.5
b)
𝑥 = 3.5
c)
𝑥 = 1
d)
𝑥 = 9
e)
𝑥 = 4
61.
Datryswch yr hafaliad: 10z + 14 = 2z + 110
a)
z = 12
b)
z = 15.5
c)
z = 9
d)
z = 11
e)
z = 14
62.
Datryswch yr hafaliad: 8α + 66 = 14α + 12
a)
α = 13
b)
α = 9
c)
α = 11
d)
α = 5
e)
α = 8
63.
Datryswch yr hafaliad: 10y - 5 = y + 13
a)
y = -1
b)
y = 8
c)
y = 2
d)
y = 5.5
e)
y = -2
64.
Datryswch yr hafaliad: 5y + 24 = 7y - 16
a)
y = 16
b)
y = 22
c)
y = 28
d)
y = 20
e)
y = 20.5
65.
Datryswch yr hafaliad: 9𝑥 + 16 = 86 - 𝑥
a)
𝑥 = 11
b)
𝑥 = 3
c)
𝑥 = 6
d)
𝑥 = 17
e)
𝑥 = 7
66.
Datryswch yr hafaliad: 162 - 6a = 6a + 18
a)
a = 12
b)
a = 15
c)
a = 8.5
d)
a = 13
e)
a = 14
67.
Datryswch yr hafaliad: 5z - 13 = 130 - 6z
a)
z = 17
b)
z = 13
c)
z = 15
d)
z = 12
e)
z = 14
68.
Datryswch yr hafaliad: 64 - 5k = 3k - 8
a)
k = 10
b)
k = 15
c)
k = 9
d)
k = 13
e)
k = 7.5
69.
Datryswch yr hafaliad: 8p - 36 = 6p - 16
a)
p = 9
b)
p = 8
c)
p = 18
d)
p = 10
e)
p = 13.5
70.
Datryswch yr hafaliad: 4a - 18 = 10a - 90
a)
a = 15
b)
a = 11.5
c)
a = 13
d)
a = 22
e)
a = 12
71.
Datryswch yr hafaliad: 16 - 5α = 19 - 6α
a)
α = 3
b)
α = 5.5
c)
α = -0.5
d)
α = 0
e)
α = 4
72.
Datryswch yr hafaliad: 46 - 7y = 18 - 3y
a)
y = 9
b)
y = 7
c)
y = 8
d)
y = 5.5
e)
y = 10
73.
Datryswch yr hafaliad: 5p + 15 = 3p + 29
a)
p = 8
b)
p = 13
c)
p = 7
d)
p = 9.5
e)
p = 3
74.
Datryswch yr hafaliad: 𝑥 + 25 = 3𝑥 + 11
a)
𝑥 = 5.5
b)
𝑥 = 6
c)
𝑥 = 11
d)
𝑥 = 7
e)
𝑥 = 9.5
75.
Datryswch yr hafaliad: 9z - 12 = z + 84
a)
z = 15.5
b)
z = 8
c)
z = 13
d)
z = 22
e)
z = 12
76.
Datryswch yr hafaliad: 7p + 28 = 11p - 12
a)
p = 10
b)
p = 14.5
c)
p = 9.5
d)
p = 9
e)
p = 12
77.
Datryswch yr hafaliad: 3k + 16 = 36 - 2k
a)
k = 6
b)
k = 4
c)
k = 8.5
d)
k = 0.5
e)
k = 1
78.
Datryswch yr hafaliad: 35 - 𝑥 = 5𝑥 + 17
a)
𝑥 = 5
b)
𝑥 = 6
c)
𝑥 = 3
d)
𝑥 = 4
e)
𝑥 = 2.5
79.
Datryswch yr hafaliad: 3𝑥 - 12 = 10 - 8𝑥
a)
𝑥 = -0.5
b)
𝑥 = -1
c)
𝑥 = 10
d)
𝑥 = 2
e)
𝑥 = 5.5
80.
Datryswch yr hafaliad: 100 - 10k = 2k - 20
a)
k = 15
b)
k = 7
c)
k = 11
d)
k = 15
e)
k = 10
81.
Datryswch yr hafaliad: 3𝑥 - 38 = 𝑥 - 14
a)
𝑥 = 12
b)
𝑥 = 12.5
c)
𝑥 = 8
d)
𝑥 = 11
e)
𝑥 = 14
82.
Datryswch yr hafaliad: 7𝑥 - 14 = 11𝑥 - 54
a)
𝑥 = 12
b)
𝑥 = 10
c)
𝑥 = 10.5
d)
𝑥 = 6
e)
𝑥 = 11
83.
Datryswch yr hafaliad: 17 - a = 35 - 4a
a)
a = 5
b)
a = 9
c)
a = 6
d)
a = 8
e)
a = 5.5
84.
Datryswch yr hafaliad: 10 - 12z = 4 - 6z
a)
z = -2
b)
z = 5
c)
z = 9
d)
z = 1
e)
z = 2
85.
Datryswch yr hafaliad: 10p + 1 = 4p + 49
a)
p = 10
b)
p = 4
c)
p = 7
d)
p = 18
e)
p = 8
86.
Datryswch yr hafaliad: 7𝑥 + 20 = 10𝑥 + 14
a)
𝑥 = 2
b)
𝑥 = 2.5
c)
𝑥 = 0.5
d)
𝑥 = -1
e)
𝑥 = 4
87.
Datryswch yr hafaliad: 7𝑥 - 1 = 6𝑥 + 3
a)
𝑥 = 6
b)
𝑥 = 4
c)
𝑥 = 9
d)
𝑥 = 0
e)
𝑥 = 1
88.
Datryswch yr hafaliad: p + 39 = 6p - 1
a)
p = 7
b)
p = 15
c)
p = 8
d)
p = 11
e)
p = 6
89.
Datryswch yr hafaliad: 8n + 5 = 95 - n
a)
n = 6.5
b)
n = 11
c)
n = 14
d)
n = 10
e)
n = 15
90.
Datryswch yr hafaliad: 69 - 6α = 4α + 9
a)
α = 7.5
b)
α = 5
c)
α = 4
d)
α = 16
e)
α = 6
91.
Datryswch yr hafaliad: 2a - 17 = 67 - 5a
a)
a = 12
b)
a = 16.5
c)
a = 8
d)
a = 11
e)
a = 13
92.
Datryswch yr hafaliad: 77 - 2α = 8α - 3
a)
α = 12
b)
α = 8
c)
α = 10
d)
α = 5
e)
α = 9
93.
Datryswch yr hafaliad: 13y - 108 = 2y - 20
a)
y = 9
b)
y = 14
c)
y = 8
d)
y = 13
e)
y = 4
94.
Datryswch yr hafaliad: 4k - 20 = 9k - 40
a)
k = 1.5
b)
k = 1
c)
k = 12
d)
k = 4
e)
k = 6
95.
Datryswch yr hafaliad: 14 - 9z = 29 - 12z
a)
z = 8
b)
z = 2.5
c)
z = 2
d)
z = 10
e)
z = 5
96.
Datryswch yr hafaliad: 27 - 6𝑥 = 6 - 3𝑥
a)
𝑥 = 7
b)
𝑥 = 7.5
c)
𝑥 = 5.5
d)
𝑥 = 10
e)
𝑥 = 8
97.
Datryswch yr hafaliad: 4n + 14 = n + 38
a)
n = 12
b)
n = 8
c)
n = 10
d)
n = 6.5
e)
n = 7
98.
Datryswch yr hafaliad: 2p + 55 = 9p + 20
a)
p = 2
b)
p = 11
c)
p = 5
d)
p = 9
e)
p = 2
99.
Datryswch yr hafaliad: 8𝑥 - 9 = 2𝑥 + 69
a)
𝑥 = 12.5
b)
𝑥 = 14
c)
𝑥 = 21
d)
𝑥 = 13
e)
𝑥 = 16
100.
Datryswch yr hafaliad: 2𝑥 + 16 = 6𝑥 - 16
a)
𝑥 = 12
b)
𝑥 = 7.5
c)
𝑥 = 9
d)
𝑥 = 13
e)
𝑥 = 8
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