Question

Solve this system of equations 2x+4y=-6 x=y-12

Answer 1

x=-9, y=3

Explanation:

2(-9)=-18 4(3)=12 -18+12=-6 so, -6=-6, it is determined true

-9=3-12 3-12=-9 so, -9=-9, it is determined true

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Answer 2

Explanation:

2(y-12) +4y = -6

2y -24 +4y = -6

6y -24 = -6

6y= -18

y = -3

x = -3 - 12

x = - 15

x = -15

y = -3