-66=6(x+7)+3(-4+6x)

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Solution for -66=6(x+7)+3(-4+6x) equation: 



-66=6(x+7)+3(-4+6x)

We move all terms to the left:

-66-(6(x+7)+3(-4+6x))=0

We add all the numbers together, and all the variables

-(6(x+7)+3(6x-4))-66=0



We calculate terms in parentheses: -(6(x+7)+3(6x-4)), so:

6(x+7)+3(6x-4)

We multiply parentheses

6x+18x+42-12

We add all the numbers together, and all the variables

24x+30

Back to the equation:

-(24x+30)



We get rid of parentheses

-24x-30-66=0

We add all the numbers together, and all the variables

-24x-96=0

We move all terms containing x to the left, all other terms to the right

-24x=96

x=96/-24

x=-4

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