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247-9k=-k
We move all terms to the left:
247-9k-(-k)=0
We add all the numbers together, and all the variables
-9k-(-1k)+247=0
We get rid of parentheses
-9k+1k+247=0
We add all the numbers together, and all the variables
-8k+247=0
We move all terms containing k to the left, all other terms to the right
-8k=-247
k=-247/-8
k=30+7/8
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