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Worksheetssimultaneous equations
Total questions: 7
Worksheet time: 35mins
Name
Class
Date
1.
Solve:
3x - y = 11
x + y = 5
a)
x = 4
y = 1
b)
x = 4
y = -1
c)
x = -4
y = 1
d)
x = -4
y = -1
2.
Solve:
2x + 3y = 5
x + 3y = 7
a)
x = -2
y = 3
b)
x = -2
y = -3
c)
x = 2
y = 3
d)
x = 2
y = -3
3.
Solve:
2x + 5y = 29
x + 5y = 22
a)
x = 7
y = 3
b)
x = -7
y = -3
c)
x = 7
y = -3
d)
x = -7
y = 3
4.
Some horses and chickens are in a pasture. If there are a total of 28 animals and 80 legs, how many chickens and how many horses are there? (Hint: Write simultaneous equations and then solve)
a)
10 horses, 18 chickens
b)
16 horses, 12 chickens
c)
12 horses, 16 chickens
d)
18 horses, 10 chickens
5.
Solve
3x+y=1
x−2y=19
a)
x=−4, y=3
b)
x=3, y=−4
c)
x=3, y=−8
d)
x=4, y=8
6.
Solve
3x + 4y = 7
5x−2y=16 a)
x = 3, y = −21
b)
x=−3, y = 21
c)
x=21, y=−3
d)
x=−21, y=−3
7.
Solve
3x−4y=11
5x+6y=12
a)
x=0.5, y=−3
b)
x=3, y=0.5
c)
x=3, y=−0.5
d)
x=6, y=2
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