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What is 6k plus 21 equals 3?

Updated: 9/20/2023

Wiki User

∙ 13y ago

Best Answer

6k + 21 = 3

6k + 21 - 21 = 3 - 21

6k = -18

6k/6 = -18/6

k = -3

A check to make sure this is right:

6(-3) + 21 = 3

-18 + 21 = 3

3 = 3

Yes, this is correct.

Wiki User

∙ 13y ago

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What does K equal -47 plus 6K equals 3K - 2?

-47 + 6k = 3k - 2Add 47 to each side:6k = 3k +45Subtract 3k from each side:3k = 45Divide each side by 3:k = 15

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