42=-6(4+6x)+3(-4-x)

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Solution for 42=-6(4+6x)+3(-4-x) equation: 



42=-6(4+6x)+3(-4-x)

We move all terms to the left:

42-(-6(4+6x)+3(-4-x))=0

We add all the numbers together, and all the variables

-(-6(6x+4)+3(-1x-4))+42=0



We calculate terms in parentheses: -(-6(6x+4)+3(-1x-4)), so:

-6(6x+4)+3(-1x-4)

We multiply parentheses

-36x-3x-24-12

We add all the numbers together, and all the variables

-39x-36

Back to the equation:

-(-39x-36)



We get rid of parentheses

39x+36+42=0

We add all the numbers together, and all the variables

39x+78=0

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

39x=-78

x=-78/39

x=-2

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