12x+5x=42

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Solution for 12x+5x=42 equation: 



12x+5x=42

We move all terms to the left:

12x+5x-(42)=0

We add all the numbers together, and all the variables

17x-42=0

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

17x=42

x=42/17

x=2+8/17

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