3x-3=12-x

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



3x-3=12-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x+1x-12-3=0

We add all the numbers together, and all the variables

4x-15=0

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

4x=15

x=15/4

x=3+3/4

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