180=(x+20)+x

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Solution for 180=(x+20)+x equation:



180=(x+20)+x
We move all terms to the left:
180-((x+20)+x)=0
We calculate terms in parentheses: -((x+20)+x), so:
(x+20)+x
We add all the numbers together, and all the variables
x+(x+20)
We get rid of parentheses
x+x+20
We add all the numbers together, and all the variables
2x+20
Back to the equation:
-(2x+20)
We get rid of parentheses
-2x-20+180=0
We add all the numbers together, and all the variables
-2x+160=0
We move all terms containing x to the left, all other terms to the right
-2x=-160
x=-160/-2
x=+80

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