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-6=-8+k/7
We move all terms to the left:
-6-(-8+k/7)=0
We add all the numbers together, and all the variables
-(k/7-8)-6=0
We get rid of parentheses
-k/7+8-6=0
We multiply all the terms by the denominator
-k+8*7-6*7=0
We add all the numbers together, and all the variables
-1k+14=0
We move all terms containing k to the left, all other terms to the right
-k=-14
k=-14/-1
k=+14
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