-70=-7x+2(-2x+9)

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Solution for -70=-7x+2(-2x+9) equation: 



-70=-7x+2(-2x+9)

We move all terms to the left:

-70-(-7x+2(-2x+9))=0



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

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

We multiply parentheses

-7x-4x+18

We add all the numbers together, and all the variables

-11x+18

Back to the equation:

-(-11x+18)



We get rid of parentheses

11x-18-70=0

We add all the numbers together, and all the variables

11x-88=0

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

11x=88

x=88/11

x=8

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