15.3-13.8=m

Solution for 15.3-13.8=m equation:

Simplifying
15.3 + -13.8 = m

Combine like terms: 15.3 + -13.8 = 1.5
1.5 = m

Solving
1.5 = m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
1.5 + -1m = m + -1m

Combine like terms: m + -1m = 0
1.5 + -1m = 0

Add '-1.5' to each side of the equation.
1.5 + -1.5 + -1m = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -1m = 0 + -1.5
-1m = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-1m = -1.5

Divide each side by '-1'.
m = 1.5

Simplifying
m = 1.5