90+x=(3x-4)

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Solution for 90+x=(3x-4) equation: 



90+x=(3x-4)

We move all terms to the left:

90+x-((3x-4))=0



We calculate terms in parentheses: -((3x-4)), so:

(3x-4)

We get rid of parentheses

3x-4

Back to the equation:

-(3x-4)



We get rid of parentheses

x-3x+4+90=0

We add all the numbers together, and all the variables

-2x+94=0

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

-2x=-94

x=-94/-2

x=+47

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