90=2x+(x+8)

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Solution for 90=2x+(x+8) equation: 



90=2x+(x+8)

We move all terms to the left:

90-(2x+(x+8))=0



We calculate terms in parentheses: -(2x+(x+8)), so:

2x+(x+8)

We get rid of parentheses

2x+x+8

We add all the numbers together, and all the variables

3x+8

Back to the equation:

-(3x+8)



We get rid of parentheses

-3x-8+90=0

We add all the numbers together, and all the variables

-3x+82=0

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

-3x=-82

x=-82/-3

x=27+1/3

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