Hey guys I need help with this question. Solve the system by substitution: x=-1 and 4x+2y=16

asked Sep 3, 2022 82.9k views

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6 votes

4x + 2y = 16
4(-1) + 2y = 16
-4 + 2y = 16
+4 +4
2y = 20
/2 /2
y = 10

WarSame answered Sep 5, 2022

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4 votes

4(-1) + 2y = 16
-4 + 2y = 16
2y = 20
y = 10

I think this is how u do it..

Nima Rostami answered Sep 9, 2022

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