90=x+3x-8

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Solution for 90=x+3x-8 equation: 



90=x+3x-8

We move all terms to the left:

90-(x+3x-8)=0

We add all the numbers together, and all the variables

-(4x-8)+90=0

We get rid of parentheses

-4x+8+90=0

We add all the numbers together, and all the variables

-4x+98=0

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

-4x=-98

x=-98/-4

x=24+1/2

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