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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