3(-x-4)+4x=4x+6+9

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Solution for 3(-x-4)+4x=4x+6+9 equation: 



3(-x-4)+4x=4x+6+9

We move all terms to the left:

3(-x-4)+4x-(4x+6+9)=0

We add all the numbers together, and all the variables

3(-1x-4)+4x-(4x+15)=0

We add all the numbers together, and all the variables

4x+3(-1x-4)-(4x+15)=0

We multiply parentheses

4x-3x-(4x+15)-12=0

We get rid of parentheses

4x-3x-4x-15-12=0

We add all the numbers together, and all the variables

-3x-27=0

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

-3x=27

x=27/-3

x=-9

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