-7=k-9

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Solution for -7=k-9 equation: 



-7=k-9

We move all terms to the left:

-7-(k-9)=0

We get rid of parentheses

-k+9-7=0

We add all the numbers together, and all the variables

-1k+2=0

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

-k=-2

k=-2/-1

k=+2

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