-9=2x+3+4x

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Solution for -9=2x+3+4x equation: 



-9=2x+3+4x

We move all terms to the left:

-9-(2x+3+4x)=0

We add all the numbers together, and all the variables

-(6x+3)-9=0

We get rid of parentheses

-6x-3-9=0

We add all the numbers together, and all the variables

-6x-12=0

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

-6x=12

x=12/-6

x=-2

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