2(x+4)=4x+16 2x+8=4x+16 -2x+8=16 -2x=24 X=-12

1 answer:

3 0

Well, you have already said that X is equal to -12 so, we can still check your answer using substitution.
X = -12
2(X + 4) = 4x + 16
2((-2) + 4) = 4(-2) + 16
2(2) = -8 + 16
4 = 8

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