-89-8k=2k-9

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Solution for -89-8k=2k-9 equation: 



-89-8k=2k-9

We move all terms to the left:

-89-8k-(2k-9)=0

We get rid of parentheses

-8k-2k+9-89=0

We add all the numbers together, and all the variables

-10k-80=0

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

-10k=80

k=80/-10

k=-8

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