3X-4+12=x-4

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Solution for 3X-4+12=x-4 equation: 



3X-4+12=X-4

We move all terms to the left:

3X-4+12-(X-4)=0

We add all the numbers together, and all the variables

3X-(X-4)+8=0

We get rid of parentheses

3X-X+4+8=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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