-90=-4x-3(-4x-2)

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Solution for -90=-4x-3(-4x-2) equation:



-90=-4x-3(-4x-2)
We move all terms to the left:
-90-(-4x-3(-4x-2))=0
We calculate terms in parentheses: -(-4x-3(-4x-2)), so:
-4x-3(-4x-2)
We multiply parentheses
-4x+12x+6
We add all the numbers together, and all the variables
8x+6
Back to the equation:
-(8x+6)
We get rid of parentheses
-8x-6-90=0
We add all the numbers together, and all the variables
-8x-96=0
We move all terms containing x to the left, all other terms to the right
-8x=96
x=96/-8
x=-12

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