2k-9=9

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Solution for 2k-9=9 equation: 



2k-9=9

We move all terms to the left:

2k-9-(9)=0

We add all the numbers together, and all the variables

2k-18=0

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

2k=18

k=18/2

k=9

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