21+m=2

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Solution for 21+m=2 equation: 


Simplifying
21 + m = 2

Solving
21 + m = 2

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 = 2 + -21

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

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

Simplifying
m = -19

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