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15 questions
Solve:
3x - y = 11
x + y = 5
x = 4
y = 1
x = 4
y = -1
x = -4
y = 1
x = -4
y = -1
Solve:
2x + 3y = 5
x + 3y = 7
x = -2
y = 3
x = -2
y = -3
x = 2
y = 3
x = 2
y = -3
Solve:
2x + 5y = 29
x + 5y = 22
x = 7
y = 3
x = -7
y = -3
x = 7
y = -3
x = -7
y = 3
Solve:
3x + 5y = 4
4x - 5y = -18
x = -2
y = 2
x = -2
y = -2
x = 2
y = -2
x = 2
y = 2
Solve:
3x - 4y = 26
2x - 4y = 20
x = 6
y = -2
x = -6
y = -2
x = -6
y = 2
x = 6
y = 2
Solve:
2x + y = 16
4x - y = 2
x = 3
y = 10
x = -3
y = -10
x = -3
y = 10
x = 3
y = -10
Solve:
4x - y = 17
7x - y = 32
x = 5
y = 3
x = -5
y = 3
x = 5
y = -3
x = -5
y = -3
Solve:
3x + 2y = 15
7x + 2y = 19
x = 1
y = 6
x = -1
y = 6
x = 1
y = -6
x = -1
y = -6
Solve for (x,y)
-2x + 6y = 16
-4x - 3y = 2
(2,2)
(-2, -2)
(-2,2)
(2,1)
Solve for (x,y)
5x + y = 9
10x − 7y = −18
(-4,-1)
(-1,-4)
(4,1)
(1, 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)
10 horses, 18 chickens
16 horses, 12 chickens
12 horses, 16 chickens
18 horses, 10 chickens
Christian had brochures printed for a new business venture. Christian originally ordered 4 boxes of black-and-white brochures and 3 boxes of colour brochures, which cost a total of $134. After those ran out, Christian spent $120 on 3 boxes of black-and-white brochures and 3 boxes of colour brochures. Which simultaneous equations represent this situation?
x+y=134
x+y=120
3x+3y=134
4x+3y=120
4x+3y=134
3x+3y=120
7xy=134
6xy=120
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