(2x-6)+x=120

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Solution for (2x-6)+x=120 equation: 



(2x-6)+x=120

We move all terms to the left:

(2x-6)+x-(120)=0

We add all the numbers together, and all the variables

x+(2x-6)-120=0

We get rid of parentheses

x+2x-6-120=0

We add all the numbers together, and all the variables

3x-126=0

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

3x=126

x=126/3

x=42

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