180=2x+(x+90)

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Solution for 180=2x+(x+90) equation: 



180=2x+(x+90)

We move all terms to the left:

180-(2x+(x+90))=0



We calculate terms in parentheses: -(2x+(x+90)), so:

2x+(x+90)

We get rid of parentheses

2x+x+90

We add all the numbers together, and all the variables

3x+90

Back to the equation:

-(3x+90)



We get rid of parentheses

-3x-90+180=0

We add all the numbers together, and all the variables

-3x+90=0

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

-3x=-90

x=-90/-3

x=+30

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