180=x+2x+90

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



180=x+2x+90

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(3x+90)+180=0

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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