-80=-1-9x

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



-80=-1-9x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

9x+1-80=0

We add all the numbers together, and all the variables

9x-79=0

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

9x=79

x=79/9

x=8+7/9

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