6x-3x-12=15

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Solution for 6x-3x-12=15 equation: 



6x-3x-12=15

We move all terms to the left:

6x-3x-12-(15)=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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