-7m-9-2m=18

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Solution for -7m-9-2m=18 equation:


Simplifying
-7m + -9 + -2m = 18

Reorder the terms:
-9 + -7m + -2m = 18

Combine like terms: -7m + -2m = -9m
-9 + -9m = 18

Solving
-9 + -9m = 18

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 + -9m = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -9m = 18 + 9
-9m = 18 + 9

Combine like terms: 18 + 9 = 27
-9m = 27

Divide each side by '-9'.
m = -3

Simplifying
m = -3

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