180=7x+(3x+20)

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Solution for 180=7x+(3x+20) equation: 



180=7x+(3x+20)

We move all terms to the left:

180-(7x+(3x+20))=0



We calculate terms in parentheses: -(7x+(3x+20)), so:

7x+(3x+20)

We get rid of parentheses

7x+3x+20

We add all the numbers together, and all the variables

10x+20

Back to the equation:

-(10x+20)



We get rid of parentheses

-10x-20+180=0

We add all the numbers together, and all the variables

-10x+160=0

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

-10x=-160

x=-160/-10

x=+16

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