-3x + y = 7 -4x + 4y =-12

asked Sep 27, 2021 83.2k views

1 vote

-3x + y = 7
-4x + 4y =-12

by Wonay

4.5k points

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4 votes

Explanation:

multiplying eq 1 by 4and eq 2 by 3 ,we get

-12x+4y=28

-12x+12y=-36

solving eq 1and 2

4y-12y=64

-8y=64

y=-8

x=-5

Tsf answered Oct 2, 2021

by Tsf

3.8k points

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