12-x-3x=12-x-8

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Solution for 12-x-3x=12-x-8 equation: 



12-x-3x=12-x-8

We move all terms to the left:

12-x-3x-(12-x-8)=0

We add all the numbers together, and all the variables

-x-3x-(-1x+4)+12=0

We add all the numbers together, and all the variables

-4x-(-1x+4)+12=0

We get rid of parentheses

-4x+1x-4+12=0

We add all the numbers together, and all the variables

-3x+8=0

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

-3x=-8

x=-8/-3

x=2+2/3

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