21n-5m=

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Solution for 21n-5m= equation: 


Simplifying
21n + -5m = 0

Reorder the terms:
-5m + 21n = 0

Solving
-5m + 21n = 0

Solving for variable 'm'.

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

Add '-21n' to each side of the equation.
-5m + 21n + -21n = 0 + -21n

Combine like terms: 21n + -21n = 0
-5m + 0 = 0 + -21n
-5m = 0 + -21n
Remove the zero:
-5m = -21n

Divide each side by '-5'.
m = 4.2n

Simplifying
m = 4.2n

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