81=4m

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Solution for 81=4m equation:


Simplifying
81 = 4m

Solving
81 = 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
81 + -4m = 4m + -4m

Combine like terms: 4m + -4m = 0
81 + -4m = 0

Add '-81' to each side of the equation.
81 + -81 + -4m = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -4m = 0 + -81
-4m = 0 + -81

Combine like terms: 0 + -81 = -81
-4m = -81

Divide each side by '-4'.
m = 20.25

Simplifying
m = 20.25

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