-3k+7=-20

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Solution for -3k+7=-20 equation: 



-3k+7=-20

We move all terms to the left:

-3k+7-(-20)=0

We add all the numbers together, and all the variables

-3k+27=0

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

-3k=-27

k=-27/-3

k=+9

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