15k+4k-12k+2k=9

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Solution for 15k+4k-12k+2k=9 equation: 



15k+4k-12k+2k=9

We move all terms to the left:

15k+4k-12k+2k-(9)=0

We add all the numbers together, and all the variables

9k-9=0

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

9k=9

k=9/9

k=1

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