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Datrys Hafaliadau Llinol (x naill ochr)

Total questions: 16

Worksheet time: 48mins

Name
Class
Date
1.

Datryswch yr hafaliad:

5a + 3=2a+245a\ +\ 3=2a+24

a)

a=7a=7

b)

a=5a=5

c)

a=3a=3

d)

a=8a=8

e)

a=32a=\frac{3}{2}

2.

Datryswch yr hafaliad:

5a 2=a+145a\ -2=a+14

a)

a=7a=7

b)

a=5a=5

c)

a=3a=3

d)

a=4a=4

e)

a=32a=\frac{3}{2}

3.

Datryswch yr hafaliad:

152a=5a+115-2a=5a+1

a)

a=7a=7

b)

a=2a=2

c)

a=3a=3

d)

a=4a=4

e)

a=32a=\frac{3}{2}

4.

Datryswch yr hafaliad:

5x+2=3x+85x+2=3x+8

x=x=

(a)  

5.

Datryswch yr hafaliad:

x2=7x20x-2=7x-20

x=x=

(a)  

6.

Datryswch yr hafaliad:

8x5=7x+98x-5=7x+9

x=x=

(a)  

7.

Datryswch yr hafaliad:

5x7=8x5x-7=8-x

a)

x=52=2.5x=\frac{5}{2}=2.5

b)

x=2x=2

c)

x=23x=\frac{2}{3}

d)

x=4x=4

e)

x=45=0.8x=\frac{4}{5}=0.8

8.

Datryswch yr hafaliad:

5y10=543y5y-10=54-3y

y=y=

(a)  

9.

Datryswch yr hafaliad:

6y5=19+4y6y-5=19+4y

y=y=

(a)  

10.

Datryswch yr hafaliad:

y=5y8y=5y-8

y=y=

(a)  

11.

Datryswch yr hafaliad:

5z9=2z+15z-9=2z+1

a)

z=4z=4

b)

z=52=2.5z=\frac{5}{2}=2.5

c)

z=8z=8

d)

z=103=3.3333...z=\frac{10}{3}=3.3333...

12.

Datryswch yr hafaliad:

7z3=10z+157z-3=10z+15

a)

z=6z=6

b)

z=4z=-4

c)

z=6z=-6

d)

z=4z=4

13.

Datryswch yr hafaliad:

12z=z5\frac{1}{2}z=z-5

z=z=

(a)  

14.

Datryswch yr hafaliad:

7z3=2z+227z-3=2z+22

z=z=

(a)  

15.

Datryswch yr hafaliad:

3z3=19z+453z-3=19z+45

z=z=

(a)  

16.

Datryswch yr hafaliad:

3α45=α+83\frac{3\alpha-4}{5}=\frac{\alpha+8}{3}

α=\alpha=

(a)