20(3+x)=120

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Solution for 20(3+x)=120 equation: 



20(3+x)=120

We move all terms to the left:

20(3+x)-(120)=0

We add all the numbers together, and all the variables

20(x+3)-120=0

We multiply parentheses

20x+60-120=0

We add all the numbers together, and all the variables

20x-60=0

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

20x=60

x=60/20

x=3

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