n+3n-6=10.4

Solution for n+3n-6=10.4 equation:

Simplifying
n + 3n + -6 = 10.4

Reorder the terms:
-6 + n + 3n = 10.4

Combine like terms: n + 3n = 4n
-6 + 4n = 10.4

Solving
-6 + 4n = 10.4

Solving for variable 'n'.

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

Add '6' to each side of the equation.
-6 + 6 + 4n = 10.4 + 6

Combine like terms: -6 + 6 = 0
0 + 4n = 10.4 + 6
4n = 10.4 + 6

Combine like terms: 10.4 + 6 = 16.4
4n = 16.4

Divide each side by '4'.
n = 4.1

Simplifying
n = 4.1