x+x*2+x+80=180

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Solution for x+x*2+x+80=180 equation: 



x+x*2+x+80=180

We move all terms to the left:

x+x*2+x+80-(180)=0

We add all the numbers together, and all the variables

2x+x*2-100=0

Wy multiply elements

2x+2x-100=0

We add all the numbers together, and all the variables

4x-100=0

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

4x=100

x=100/4

x=25

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