-9x-128=81+2x

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Solution for -9x-128=81+2x equation: 



-9x-128=81+2x

We move all terms to the left:

-9x-128-(81+2x)=0

We add all the numbers together, and all the variables

-9x-(2x+81)-128=0

We get rid of parentheses

-9x-2x-81-128=0

We add all the numbers together, and all the variables

-11x-209=0

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

-11x=209

x=209/-11

x=-19

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