8k+4=9k

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Solution for 8k+4=9k equation: 



8k+4=9k

We move all terms to the left:

8k+4-(9k)=0

We add all the numbers together, and all the variables

-1k+4=0

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

-k=-4

k=-4/-1

k=+4

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