84=-1+8x

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Solution for 84=-1+8x equation: 



84=-1+8x

We move all terms to the left:

84-(-1+8x)=0

We add all the numbers together, and all the variables

-(8x-1)+84=0

We get rid of parentheses

-8x+1+84=0

We add all the numbers together, and all the variables

-8x+85=0

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

-8x=-85

x=-85/-8

x=10+5/8

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