4x-39=x+12

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Solution for 4x-39=x+12 equation: 



4x-39=x+12

We move all terms to the left:

4x-39-(x+12)=0

We get rid of parentheses

4x-x-12-39=0

We add all the numbers together, and all the variables

3x-51=0

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

3x=51

x=51/3

x=17

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