6-3k=21

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Solution for 6-3k=21 equation:


6-3k=21

We simplify the equation to the form, which is simple to understand 
6-3k=21

We move all terms containing k to the left and all other terms to the right. 
-3k=+21-6

We simplify left and right side of the equation. 
-3k=+15

We divide both sides of the equation by -3 to get k. 
k=-5

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