.75m+0.125m-6=15

Solution for .75m+0.125m-6=15 equation:

Simplifying
0.75m + 0.125m + -6 = 15

Reorder the terms:
-6 + 0.75m + 0.125m = 15

Combine like terms: 0.75m + 0.125m = 0.875m
-6 + 0.875m = 15

Solving
-6 + 0.875m = 15

Solving for variable 'm'.

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

Add '6' to each side of the equation.
-6 + 6 + 0.875m = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 0.875m = 15 + 6
0.875m = 15 + 6

Combine like terms: 15 + 6 = 21
0.875m = 21

Divide each side by '0.875'.
m = 24

Simplifying
m = 24