Question

Please help me with this problem ASAP, Thanks!!
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Answer 1

x=28

y= -4

Explanation:

9x+6y= -12

-x-4y= -12

multiply -x-4y=-12 by 9 so the x's are equal

9x+6y= -12

-9x-36y= -108

add the equations so the x's cancel out

-30y=120

y= -4

plug y into an equation to find x

-x-4(-4)=-12

-x+16= -12

-x= -28

x=28