x+81=9x+7

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Solution for x+81=9x+7 equation: 



x+81=9x+7

We move all terms to the left:

x+81-(9x+7)=0

We get rid of parentheses

x-9x-7+81=0

We add all the numbers together, and all the variables

-8x+74=0

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

-8x=-74

x=-74/-8

x=9+1/4

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