9=x+1+7x

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Solution for 9=x+1+7x equation: 



9=x+1+7x

We move all terms to the left:

9-(x+1+7x)=0

We add all the numbers together, and all the variables

-(8x+1)+9=0

We get rid of parentheses

-8x-1+9=0

We add all the numbers together, and all the variables

-8x+8=0

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

-8x=-8

x=-8/-8

x=1

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