2-9m=21

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Solution for 2-9m=21 equation: 


Simplifying
2 + -9m = 21

Solving
2 + -9m = 21

Solving for variable 'm'.

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

Add '-2' to each side of the equation.
2 + -2 + -9m = 21 + -2

Combine like terms: 2 + -2 = 0
0 + -9m = 21 + -2
-9m = 21 + -2

Combine like terms: 21 + -2 = 19
-9m = 19

Divide each side by '-9'.
m = -2.111111111

Simplifying
m = -2.111111111

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