5m+9n=21

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Solution for 5m+9n=21 equation: 


Simplifying
5m + 9n = 21

Solving
5m + 9n = 21

Solving for variable 'm'.

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

Add '-9n' to each side of the equation.
5m + 9n + -9n = 21 + -9n

Combine like terms: 9n + -9n = 0
5m + 0 = 21 + -9n
5m = 21 + -9n

Divide each side by '5'.
m = 4.2 + -1.8n

Simplifying
m = 4.2 + -1.8n

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