-k+9(k+1)=2k

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Solution for -k+9(k+1)=2k equation: 



-k+9(k+1)=2k

We move all terms to the left:

-k+9(k+1)-(2k)=0

We add all the numbers together, and all the variables

-3k+9(k+1)=0

We multiply parentheses

-3k+9k+9=0

We add all the numbers together, and all the variables

6k+9=0

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

6k=-9

k=-9/6

k=-1+1/2

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