tkennadee tkennadee
  • 22-01-2017
  • Mathematics
contestada

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

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apologiabiology
apologiabiology apologiabiology
  • 22-01-2017
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
-2x+y=2 +
0x+3y=0

3y=0
y=0

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

(x,y)
(-1,0)
Answer Link
Allo55
Allo55 Allo55
  • 08-12-2020

Answer: (-1,0) A

Step-by-step explanation:

Answer Link

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