4x-12=x+51

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Solution for 4x-12=x+51 equation: 



4x-12=x+51

We move all terms to the left:

4x-12-(x+51)=0

We get rid of parentheses

4x-x-51-12=0

We add all the numbers together, and all the variables

3x-63=0

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

3x=63

x=63/3

x=21

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