m+21=16

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Solution for m+21=16 equation: 


Simplifying
m + 21 = 16

Reorder the terms:
21 + m = 16

Solving
21 + m = 16

Solving for variable 'm'.

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

Add '-21' to each side of the equation.
21 + -21 + m = 16 + -21

Combine like terms: 21 + -21 = 0
0 + m = 16 + -21
m = 16 + -21

Combine like terms: 16 + -21 = -5
m = -5

Simplifying
m = -5

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