m+20=9

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Solution for m+20=9 equation: 


Simplifying
m + 20 = 9

Reorder the terms:
20 + m = 9

Solving
20 + m = 9

Solving for variable 'm'.

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

Add '-20' to each side of the equation.
20 + -20 + m = 9 + -20

Combine like terms: 20 + -20 = 0
0 + m = 9 + -20
m = 9 + -20

Combine like terms: 9 + -20 = -11
m = -11

Simplifying
m = -11

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