20+x+2x=180

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Solution for 20+x+2x=180 equation: 



20+x+2x=180

We move all terms to the left:

20+x+2x-(180)=0

We add all the numbers together, and all the variables

3x-160=0

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

3x=160

x=160/3

x=53+1/3

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