21=m+2

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Solution for 21=m+2 equation:


Simplifying
21 = m + 2

Reorder the terms:
21 = 2 + m

Solving
21 = 2 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
21 + -1m = 2 + m + -1m

Combine like terms: m + -1m = 0
21 + -1m = 2 + 0
21 + -1m = 2

Add '-21' to each side of the equation.
21 + -21 + -1m = 2 + -21

Combine like terms: 21 + -21 = 0
0 + -1m = 2 + -21
-1m = 2 + -21

Combine like terms: 2 + -21 = -19
-1m = -19

Divide each side by '-1'.
m = 19

Simplifying
m = 19

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