12x+2x-3=39

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



12x+2x-3=39

We move all terms to the left:

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

We add all the numbers together, and all the variables

14x-42=0

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

14x=42

x=42/14

x=3

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