9x+2-7x=20-7x

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



9x+2-7x=20-7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x+7x-20+2=0

We add all the numbers together, and all the variables

9x-18=0

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

9x=18

x=18/9

x=2

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