-3-m=9

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Solution for -3-m=9 equation: 


Simplifying
-3 + -1m = 9

Solving
-3 + -1m = 9

Solving for variable 'm'.

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

Add '3' to each side of the equation.
-3 + 3 + -1m = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -1m = 9 + 3
-1m = 9 + 3

Combine like terms: 9 + 3 = 12
-1m = 12

Divide each side by '-1'.
m = -12

Simplifying
m = -12

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