-30=k-7

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Solution for -30=k-7 equation: 



-30=k-7

We move all terms to the left:

-30-(k-7)=0

We get rid of parentheses

-k+7-30=0

We add all the numbers together, and all the variables

-1k-23=0

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

-k=23

k=23/-1

k=-23

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