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124=-4x-4(2x-7)
We move all terms to the left:
124-(-4x-4(2x-7))=0
We calculate terms in parentheses: -(-4x-4(2x-7)), so:We get rid of parentheses
-4x-4(2x-7)
We multiply parentheses
-4x-8x+28
We add all the numbers together, and all the variables
-12x+28
Back to the equation:
-(-12x+28)
12x-28+124=0
We add all the numbers together, and all the variables
12x+96=0
We move all terms containing x to the left, all other terms to the right
12x=-96
x=-96/12
x=-8
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