0.4n+3.6-5.4n=7.1

Solution for 0.4n+3.6-5.4n=7.1 equation:

Simplifying
0.4n + 3.6 + -5.4n = 7.1

Reorder the terms:
3.6 + 0.4n + -5.4n = 7.1

Combine like terms: 0.4n + -5.4n = -5n
3.6 + -5n = 7.1

Solving
3.6 + -5n = 7.1

Solving for variable 'n'.

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

Add '-3.6' to each side of the equation.
3.6 + -3.6 + -5n = 7.1 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + -5n = 7.1 + -3.6
-5n = 7.1 + -3.6

Combine like terms: 7.1 + -3.6 = 3.5
-5n = 3.5

Divide each side by '-5'.
n = -0.7

Simplifying
n = -0.7