42.3=m+17.8

Solution for 42.3=m+17.8 equation:

Simplifying
42.3 = m + 17.8

Reorder the terms:
42.3 = 17.8 + m

Solving
42.3 = 17.8 + 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.
42.3 + -1m = 17.8 + m + -1m

Combine like terms: m + -1m = 0
42.3 + -1m = 17.8 + 0
42.3 + -1m = 17.8

Add '-42.3' to each side of the equation.
42.3 + -42.3 + -1m = 17.8 + -42.3

Combine like terms: 42.3 + -42.3 = 0.0
0.0 + -1m = 17.8 + -42.3
-1m = 17.8 + -42.3

Combine like terms: 17.8 + -42.3 = -24.5
-1m = -24.5

Divide each side by '-1'.
m = 24.5

Simplifying
m = 24.5