81=-75+2x

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Solution for 81=-75+2x equation: 



81=-75+2x

We move all terms to the left:

81-(-75+2x)=0

We add all the numbers together, and all the variables

-(2x-75)+81=0

We get rid of parentheses

-2x+75+81=0

We add all the numbers together, and all the variables

-2x+156=0

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

-2x=-156

x=-156/-2

x=+78

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