81=2x+6x+1

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Solution for 81=2x+6x+1 equation: 



81=2x+6x+1

We move all terms to the left:

81-(2x+6x+1)=0

We add all the numbers together, and all the variables

-(8x+1)+81=0

We get rid of parentheses

-8x-1+81=0

We add all the numbers together, and all the variables

-8x+80=0

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

-8x=-80

x=-80/-8

x=+10

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