180=2x+x+(x-20)

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Solution for 180=2x+x+(x-20) equation: 



180=2x+x+(x-20)

We move all terms to the left:

180-(2x+x+(x-20))=0



We calculate terms in parentheses: -(2x+x+(x-20)), so:

2x+x+(x-20)

We add all the numbers together, and all the variables

3x+(x-20)

We get rid of parentheses

3x+x-20

We add all the numbers together, and all the variables

4x-20

Back to the equation:

-(4x-20)



We get rid of parentheses

-4x+20+180=0

We add all the numbers together, and all the variables

-4x+200=0

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

-4x=-200

x=-200/-4

x=+50

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