9-k+2k=10k-9

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Solution for 9-k+2k=10k-9 equation: 



9-k+2k=10k-9

We move all terms to the left:

9-k+2k-(10k-9)=0

We add all the numbers together, and all the variables

k-(10k-9)+9=0

We get rid of parentheses

k-10k+9+9=0

We add all the numbers together, and all the variables

-9k+18=0

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

-9k=-18

k=-18/-9

k=+2

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