3k-12=3-2k

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Solution for 3k-12=3-2k equation: 



3k-12=3-2k

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3k+2k-3-12=0

We add all the numbers together, and all the variables

5k-15=0

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

5k=15

k=15/5

k=3

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