Question

Solve the system

 

-3x+7y=-12

3x+8y=12

Answer 1

Answer:x=-12-7y/3

Y=-12+3x/7

Explanation:

Answer 2

line up both equations according to terms and add
-3x + 7y= -12
+ 3x + 8y=12
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15y= 0
y= 0 so plug back that into either equations and get x=4