-2m-9=15

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Solution for -2m-9=15 equation: 


Simplifying
-2m + -9 = 15

Reorder the terms:
-9 + -2m = 15

Solving
-9 + -2m = 15

Solving for variable 'm'.

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

Add '9' to each side of the equation.
-9 + 9 + -2m = 15 + 9

Combine like terms: -9 + 9 = 0
0 + -2m = 15 + 9
-2m = 15 + 9

Combine like terms: 15 + 9 = 24
-2m = 24

Divide each side by '-2'.
m = -12

Simplifying
m = -12

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