21-m=5

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Solution for 21-m=5 equation:


Simplifying
21 + -1m = 5

Solving
21 + -1m = 5

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 + -1m = 5 + -21

Combine like terms: 21 + -21 = 0
0 + -1m = 5 + -21
-1m = 5 + -21

Combine like terms: 5 + -21 = -16
-1m = -16

Divide each side by '-1'.
m = 16

Simplifying
m = 16

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