4x-9+8x=3x-x

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Solution for 4x-9+8x=3x-x equation: 



4x-9+8x=3x-x

We move all terms to the left:

4x-9+8x-(3x-x)=0

We add all the numbers together, and all the variables

4x+8x-(+2x)-9=0

We add all the numbers together, and all the variables

12x-(+2x)-9=0

We get rid of parentheses

12x-2x-9=0

We add all the numbers together, and all the variables

10x-9=0

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

10x=9

x=9/10

x=9/10

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