0.4n+12.3=4.5n

Solution for 0.4n+12.3=4.5n equation:

Simplifying
0.4n + 12.3 = 4.5n

Reorder the terms:
12.3 + 0.4n = 4.5n

Solving
12.3 + 0.4n = 4.5n

Solving for variable 'n'.

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

Add '-4.5n' to each side of the equation.
12.3 + 0.4n + -4.5n = 4.5n + -4.5n

Combine like terms: 0.4n + -4.5n = -4.1n
12.3 + -4.1n = 4.5n + -4.5n

Combine like terms: 4.5n + -4.5n = 0.0
12.3 + -4.1n = 0.0

Add '-12.3' to each side of the equation.
12.3 + -12.3 + -4.1n = 0.0 + -12.3

Combine like terms: 12.3 + -12.3 = 0.0
0.0 + -4.1n = 0.0 + -12.3
-4.1n = 0.0 + -12.3

Combine like terms: 0.0 + -12.3 = -12.3
-4.1n = -12.3

Divide each side by '-4.1'.
n = 3

Simplifying
n = 3