90-x=7x-2

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Solution for 90-x=7x-2 equation: 



90-x=7x-2

We move all terms to the left:

90-x-(7x-2)=0

We add all the numbers together, and all the variables

-1x-(7x-2)+90=0

We get rid of parentheses

-1x-7x+2+90=0

We add all the numbers together, and all the variables

-8x+92=0

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

-8x=-92

x=-92/-8

x=11+1/2

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