9x-7=2x+20

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Solution for 9x-7=2x+20 equation: 



9x-7=2x+20

We move all terms to the left:

9x-7-(2x+20)=0

We get rid of parentheses

9x-2x-20-7=0

We add all the numbers together, and all the variables

7x-27=0

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

7x=27

x=27/7

x=3+6/7

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