x-9=20-2x

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



x-9=20-2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

x+2x-20-9=0

We add all the numbers together, and all the variables

3x-29=0

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

3x=29

x=29/3

x=9+2/3

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