.625m-.6+.375m=.4

Solution for .625m-.6+.375m=.4 equation:

Simplifying
0.625m + -0.6 + 0.375m = 0.4

Reorder the terms:
-0.6 + 0.625m + 0.375m = 0.4

Combine like terms: 0.625m + 0.375m = 1m
-0.6 + 1m = 0.4

Solving
-0.6 + 1m = 0.4

Solving for variable 'm'.

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

Add '0.6' to each side of the equation.
-0.6 + 0.6 + 1m = 0.4 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 1m = 0.4 + 0.6
1m = 0.4 + 0.6

Combine like terms: 0.4 + 0.6 = 1
1m = 1

Divide each side by '1'.
m = 1

Simplifying
m = 1