(x+20)+3x+80=180

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Solution for (x+20)+3x+80=180 equation: 



(x+20)+3x+80=180

We move all terms to the left:

(x+20)+3x+80-(180)=0

We add all the numbers together, and all the variables

3x+(x+20)-100=0

We get rid of parentheses

3x+x+20-100=0

We add all the numbers together, and all the variables

4x-80=0

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

4x=80

x=80/4

x=20

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