3k+9=k

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Solution for 3k+9=k equation: 



3k+9=k

We move all terms to the left:

3k+9-(k)=0

We add all the numbers together, and all the variables

2k+9=0

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

2k=-9

k=-9/2

k=-4+1/2

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