-120=6(1+3x)

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Solution for -120=6(1+3x) equation: 



-120=6(1+3x)

We move all terms to the left:

-120-(6(1+3x))=0

We add all the numbers together, and all the variables

-(6(3x+1))-120=0



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

6(3x+1)

We multiply parentheses

18x+6

Back to the equation:

-(18x+6)



We get rid of parentheses

-18x-6-120=0

We add all the numbers together, and all the variables

-18x-126=0

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

-18x=126

x=126/-18

x=-7

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