-9+4x=x+2x

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Solution for -9+4x=x+2x equation: 



-9+4x=x+2x

We move all terms to the left:

-9+4x-(x+2x)=0

We add all the numbers together, and all the variables

4x-(+3x)-9=0

We get rid of parentheses

4x-3x-9=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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