-3(4-x)=x

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Solution for -3(4-x)=x equation: 



-3(4-x)=x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-1x+3x-12=0

We add all the numbers together, and all the variables

2x-12=0

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

2x=12

x=12/2

x=6

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