81-2x=1+8x

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Solution for 81-2x=1+8x equation: 



81-2x=1+8x

We move all terms to the left:

81-2x-(1+8x)=0

We add all the numbers together, and all the variables

-2x-(8x+1)+81=0

We get rid of parentheses

-2x-8x-1+81=0

We add all the numbers together, and all the variables

-10x+80=0

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

-10x=-80

x=-80/-10

x=+8

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