-124=-3x+4(-4x+7)

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Solution for -124=-3x+4(-4x+7) equation:



-124=-3x+4(-4x+7)
We move all terms to the left:
-124-(-3x+4(-4x+7))=0
We calculate terms in parentheses: -(-3x+4(-4x+7)), so:
-3x+4(-4x+7)
We multiply parentheses
-3x-16x+28
We add all the numbers together, and all the variables
-19x+28
Back to the equation:
-(-19x+28)
We get rid of parentheses
19x-28-124=0
We add all the numbers together, and all the variables
19x-152=0
We move all terms containing x to the left, all other terms to the right
19x=152
x=152/19
x=8

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