m+3k=21

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Solution for m+3k=21 equation: 


Simplifying
m + 3k = 21

Reorder the terms:
3k + m = 21

Solving
3k + m = 21

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-1m' to each side of the equation.
3k + m + -1m = 21 + -1m

Combine like terms: m + -1m = 0
3k + 0 = 21 + -1m
3k = 21 + -1m

Divide each side by '3'.
k = 7 + -0.3333333333m

Simplifying
k = 7 + -0.3333333333m

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