-1=m-81

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Solution for -1=m-81 equation: 



-1=m-81

We move all terms to the left:

-1-(m-81)=0

We get rid of parentheses

-m+81-1=0

We add all the numbers together, and all the variables

-1m+80=0

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

-m=-80

m=-80/-1

m=+80

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