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

User Wonay
by
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1 Answer

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

User Tsf
by
3.2k points
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