x+120=2(2x+30)

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Solution for x+120=2(2x+30) equation: 



x+120=2(2x+30)

We move all terms to the left:

x+120-(2(2x+30))=0



We calculate terms in parentheses: -(2(2x+30)), so:

2(2x+30)

We multiply parentheses

4x+60

Back to the equation:

-(4x+60)



We get rid of parentheses

x-4x-60+120=0

We add all the numbers together, and all the variables

-3x+60=0

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

-3x=-60

x=-60/-3

x=+20

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