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-6K+7K=1K or K
-6k + 7k = k
k + 6k - 13 = 177k = 30k = 30/7k = 4.2857
19k
-47 + 6k = 3k - 2Add 47 to each side:6k = 3k +45Subtract 3k from each side:3k = 45Divide each side by 3:k = 15