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Best Answer
What is the question ? Are you looking for the value of 'k' that makes the statement true ?
It may be found as follows:
-k - 6 - 7k + 20 = -2
Clean up the left side:
-8k + 14 = -2
Multiply each side by -1:
8k - 14 = 2
Add 14 to each side:
8k = 16
Divide each side by 2:
k = 2
This answer is:
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