-5k+9=-12+2k

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Solution for -5k+9=-12+2k equation: 



-5k+9=-12+2k

We move all terms to the left:

-5k+9-(-12+2k)=0

We add all the numbers together, and all the variables

-5k-(2k-12)+9=0

We get rid of parentheses

-5k-2k+12+9=0

We add all the numbers together, and all the variables

-7k+21=0

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

-7k=-21

k=-21/-7

k=+3

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