9m-7m-12=-8

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Solution for 9m-7m-12=-8 equation:


Simplifying
9m + -7m + -12 = -8

Reorder the terms:
-12 + 9m + -7m = -8

Combine like terms: 9m + -7m = 2m
-12 + 2m = -8

Solving
-12 + 2m = -8

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + 2m = -8 + 12

Combine like terms: -12 + 12 = 0
0 + 2m = -8 + 12
2m = -8 + 12

Combine like terms: -8 + 12 = 4
2m = 4

Divide each side by '2'.
m = 2

Simplifying
m = 2

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