85+4m=21m

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Solution for 85+4m=21m equation:


Simplifying
85 + 4m = 21m

Solving
85 + 4m = 21m

Solving for variable 'm'.

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

Add '-21m' to each side of the equation.
85 + 4m + -21m = 21m + -21m

Combine like terms: 4m + -21m = -17m
85 + -17m = 21m + -21m

Combine like terms: 21m + -21m = 0
85 + -17m = 0

Add '-85' to each side of the equation.
85 + -85 + -17m = 0 + -85

Combine like terms: 85 + -85 = 0
0 + -17m = 0 + -85
-17m = 0 + -85

Combine like terms: 0 + -85 = -85
-17m = -85

Divide each side by '-17'.
m = 5

Simplifying
m = 5

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