7x-20=2x+11=180

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Solution for 7x-20=2x+11=180 equation: 



7x-20=2x+11=180

We move all terms to the left:

7x-20-(2x+11)=0

We get rid of parentheses

7x-2x-11-20=0

We add all the numbers together, and all the variables

5x-31=0

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

5x=31

x=31/5

x=6+1/5

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