(3x)+(80-x)=180

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Solution for (3x)+(80-x)=180 equation: 



(3x)+(80-x)=180

We move all terms to the left:

(3x)+(80-x)-(180)=0

We add all the numbers together, and all the variables

3x+(-1x+80)-180=0

We get rid of parentheses

3x-1x+80-180=0

We add all the numbers together, and all the variables

2x-100=0

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

2x=100

x=100/2

x=50

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