-90=2x+2(5x-9)

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Solution for -90=2x+2(5x-9) equation: 



-90=2x+2(5x-9)

We move all terms to the left:

-90-(2x+2(5x-9))=0



We calculate terms in parentheses: -(2x+2(5x-9)), so:

2x+2(5x-9)

We multiply parentheses

2x+10x-18

We add all the numbers together, and all the variables

12x-18

Back to the equation:

-(12x-18)



We get rid of parentheses

-12x+18-90=0

We add all the numbers together, and all the variables

-12x-72=0

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

-12x=72

x=72/-12

x=-6

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