2*(2x+x)=120

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



2(2x+x)=120

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(+3x)-120=0

We multiply parentheses

6x-120=0

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

6x=120

x=120/6

x=20

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