3k+12+15=15

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Solution for 3k+12+15=15 equation: 



3k+12+15=15

We move all terms to the left:

3k+12+15-(15)=0

We add all the numbers together, and all the variables

3k+12=0

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

3k=-12

k=-12/3

k=-4

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