138=-6(1+3x)

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Solution for 138=-6(1+3x) equation: 



138=-6(1+3x)

We move all terms to the left:

138-(-6(1+3x))=0

We add all the numbers together, and all the variables

-(-6(3x+1))+138=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+138=0

We add all the numbers together, and all the variables

18x+144=0

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

18x=-144

x=-144/18

x=-8

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