12k+15=39

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Solution for 12k+15=39 equation: 



12k+15=39

We move all terms to the left:

12k+15-(39)=0

We add all the numbers together, and all the variables

12k-24=0

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

12k=24

k=24/12

k=2

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