-12=3-2k-2k-3k

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



-12=3-2k-2k-3k

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-7k+3)-12=0

We get rid of parentheses

7k-3-12=0

We add all the numbers together, and all the variables

7k-15=0

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

7k=15

k=15/7

k=2+1/7

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