-7x-18=3(x+4)

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Solution for -7x-18=3(x+4) equation: 



-7x-18=3(x+4)

We move all terms to the left:

-7x-18-(3(x+4))=0



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

3(x+4)

We multiply parentheses

3x+12

Back to the equation:

-(3x+12)



We get rid of parentheses

-7x-3x-12-18=0

We add all the numbers together, and all the variables

-10x-30=0

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

-10x=30

x=30/-10

x=-3

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