90=8x+20

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Solution for 90=8x+20 equation: 



90=8x+20

We move all terms to the left:

90-(8x+20)=0

We get rid of parentheses

-8x-20+90=0

We add all the numbers together, and all the variables

-8x+70=0

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

-8x=-70

x=-70/-8

x=8+3/4

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