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blsea [12.9K]
3 years ago
10

which ordered pair (x,y) is a solution to the given systems of linear equations? 3x+3y=-3 and -2x+y=2

Mathematics
1 answer:
Ulleksa [173]3 years ago
4 0
3x+3y=-3
divide both sides by 3 for ease
x+y=-1

now eliminate x's
multiply that equation by 2 and add to other one

2x+2y=-2
<u>-2x+y=2 +</u>
0x+3y=0

3y=0
y=0

x+y=-1
x+0=-1
x=-1

(x,y)
(-1,0)
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