Question 88462
-3x+7y=2 now multiply the second equation by 3 & add them
3x+6y=-54
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13y=-54+2
13y=-52
y=-52/13
y=-4 answer
-3x+7*-4=2
-3x-28=2
-3x=2+28
-3x=30
x=30/-3
x=-10 answer.
proof
3*-10+6*-4=-54
-30-24=-54
-54=-54