-1x-9=80-2x

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Solution for -1x-9=80-2x equation: 



-1x-9=80-2x

We move all terms to the left:

-1x-9-(80-2x)=0

We add all the numbers together, and all the variables

-1x-(-2x+80)-9=0

We get rid of parentheses

-1x+2x-80-9=0

We add all the numbers together, and all the variables

x-89=0

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

x=89

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