2m+9-7m=12

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Solution for 2m+9-7m=12 equation:


Simplifying
2m + 9 + -7m = 12

Reorder the terms:
9 + 2m + -7m = 12

Combine like terms: 2m + -7m = -5m
9 + -5m = 12

Solving
9 + -5m = 12

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 + -5m = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -5m = 12 + -9
-5m = 12 + -9

Combine like terms: 12 + -9 = 3
-5m = 3

Divide each side by '-5'.
m = -0.6

Simplifying
m = -0.6

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