-3-4x=9-x

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



-3-4x=9-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-4x-(-1x+9)-3=0

We get rid of parentheses

-4x+1x-9-3=0

We add all the numbers together, and all the variables

-3x-12=0

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

-3x=12

x=12/-3

x=-4

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