135=-3x+2(-7x-9)

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Solution for 135=-3x+2(-7x-9) equation: 



135=-3x+2(-7x-9)

We move all terms to the left:

135-(-3x+2(-7x-9))=0



We calculate terms in parentheses: -(-3x+2(-7x-9)), so:

-3x+2(-7x-9)

We multiply parentheses

-3x-14x-18

We add all the numbers together, and all the variables

-17x-18

Back to the equation:

-(-17x-18)



We get rid of parentheses

17x+18+135=0

We add all the numbers together, and all the variables

17x+153=0

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

17x=-153

x=-153/17

x=-9

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