12=k-7+2

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Solution for 12=k-7+2 equation: 



12=k-7+2

We move all terms to the left:

12-(k-7+2)=0

We add all the numbers together, and all the variables

-(k-5)+12=0

We get rid of parentheses

-k+5+12=0

We add all the numbers together, and all the variables

-1k+17=0

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

-k=-17

k=-17/-1

k=+17

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