3x+4x+120=180

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Solution for 3x+4x+120=180 equation: 



3x+4x+120=180

We move all terms to the left:

3x+4x+120-(180)=0

We add all the numbers together, and all the variables

7x-60=0

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

7x=60

x=60/7

x=8+4/7

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