tkennadee tkennadee

21-01-2017
Mathematics

Answered

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

Verified Answer :

apologiabiology apologiabiology

21-01-2017

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)

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08-12-2020

Answer: (-1,0) A

Step-by-step explanation:

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