4m+5n=21

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Solution for 4m+5n=21 equation: 


Simplifying
4m + 5n = 21

Solving
4m + 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.
4m + 5n + -5n = 21 + -5n

Combine like terms: 5n + -5n = 0
4m + 0 = 21 + -5n
4m = 21 + -5n

Divide each side by '4'.
m = 5.25 + -1.25n

Simplifying
m = 5.25 + -1.25n

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