26-7k=6k
First, add 7k to get k on one side.
26-7k+7k=6k+7k
26=13k
Divide both sides by 13 to get k by itself.
26/13=13k/13
2=k
The answer is 2.
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k + 6k - 13 = 177k = 30k = 30/7k = 4.2857
66
-47 + 6k = 3k - 2Add 47 to each side:6k = 3k +45Subtract 3k from each side:3k = 45Divide each side by 3:k = 15
6k + 21 = 36k + 21 - 21 = 3 - 216k = -186k/6 = -18/6k = -3A check to make sure this is right:6(-3) + 21 = 3-18 + 21 = 33 = 3Yes, this is correct.
Same as subtracting 6 from 7 = K