3*x-12=39+2*x

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Solution for 3*x-12=39+2*x equation: 



3x-12=39+2x

We move all terms to the left:

3x-12-(39+2x)=0

We add all the numbers together, and all the variables

3x-(2x+39)-12=0

We get rid of parentheses

3x-2x-39-12=0

We add all the numbers together, and all the variables

x-51=0

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

x=51

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