3k+12=2k+9

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Solution for 3k+12=2k+9 equation: 



3k+12=2k+9

We move all terms to the left:

3k+12-(2k+9)=0

We get rid of parentheses

3k-2k-9+12=0

We add all the numbers together, and all the variables

k+3=0

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

k=-3

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