-2k+9k=-20

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Solution for -2k+9k=-20 equation: 



-2k+9k=-20

We move all terms to the left:

-2k+9k-(-20)=0

We add all the numbers together, and all the variables

7k+20=0

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

7k=-20

k=-20/7

k=-2+6/7

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