-2m-3=9

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Solution for -2m-3=9 equation: 


Simplifying
-2m + -3 = 9

Reorder the terms:
-3 + -2m = 9

Solving
-3 + -2m = 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 + -2m = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -2m = 9 + 3
-2m = 9 + 3

Combine like terms: 9 + 3 = 12
-2m = 12

Divide each side by '-2'.
m = -6

Simplifying
m = -6

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