Solve by substitution method 2x+y=-2 5x-2y=-23

asked Feb 7, 2023 222k views

1 vote

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2 votes

Answer:

x= -3

Explanation:

2x + y = -2 ---> y = -2 - 2x

instead: 5x-2y = -23 ---> 5x - 2(-2 -2x) = -23 ----> 5x+4+4x= -23 ---> 9x= -27

---> x = -3

Rafakob answered Feb 7, 2023

4.3k points

11 votes

Explanation:

Brett Mathe answered Feb 11, 2023

4.0k points

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