12k-15=5k+9

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Solution for 12k-15=5k+9 equation: 



12k-15=5k+9

We move all terms to the left:

12k-15-(5k+9)=0

We get rid of parentheses

12k-5k-9-15=0

We add all the numbers together, and all the variables

7k-24=0

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

7k=24

k=24/7

k=3+3/7

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