9k+k+5k-8k=7

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Solution for 9k+k+5k-8k=7 equation: 



9k+k+5k-8k=7

We move all terms to the left:

9k+k+5k-8k-(7)=0

We add all the numbers together, and all the variables

7k-7=0

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

7k=7

k=7/7

k=1

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