m+21-7=2

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Solution for m+21-7=2 equation: 


Simplifying
m + 21 + -7 = 2

Reorder the terms:
21 + -7 + m = 2

Combine like terms: 21 + -7 = 14
14 + m = 2

Solving
14 + m = 2

Solving for variable 'm'.

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

Add '-14' to each side of the equation.
14 + -14 + m = 2 + -14

Combine like terms: 14 + -14 = 0
0 + m = 2 + -14
m = 2 + -14

Combine like terms: 2 + -14 = -12
m = -12

Simplifying
m = -12

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