(7)m-(9)m=(-12)

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Solution for (7)m-(9)m=(-12) equation: 


Simplifying
(7) * m + -1(9) * m = (-12)

Multiply -1 * 9
7m + -9m = (-12)

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

Solving
-2m = -12

Solving for variable 'm'.

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

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

Simplifying
m = 6

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