-21-3m=o

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Solution for -21-3m=o equation: 


Simplifying
-21 + -3m = o

Solving
-21 + -3m = o

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 + -3m = 21 + o

Combine like terms: -21 + 21 = 0
0 + -3m = 21 + o
-3m = 21 + o

Divide each side by '-3'.
m = -7 + -0.3333333333o

Simplifying
m = -7 + -0.3333333333o

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