3m-5n=21

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Solution for 3m-5n=21 equation: 


Simplifying
3m + -5n = 21

Solving
3m + -5n = 21

Solving for variable 'm'.

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

Add '5n' to each side of the equation.
3m + -5n + 5n = 21 + 5n

Combine like terms: -5n + 5n = 0
3m + 0 = 21 + 5n
3m = 21 + 5n

Divide each side by '3'.
m = 7 + 1.666666667n

Simplifying
m = 7 + 1.666666667n

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