3.2=-1.6n

Solution for 3.2=-1.6n equation:

Simplifying
3.2 = -1.6n

Solving
3.2 = -1.6n

Solving for variable 'n'.

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

Add '1.6n' to each side of the equation.
3.2 + 1.6n = -1.6n + 1.6n

Combine like terms: -1.6n + 1.6n = 0.0
3.2 + 1.6n = 0.0

Add '-3.2' to each side of the equation.
3.2 + -3.2 + 1.6n = 0.0 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + 1.6n = 0.0 + -3.2
1.6n = 0.0 + -3.2

Combine like terms: 0.0 + -3.2 = -3.2
1.6n = -3.2

Divide each side by '1.6'.
n = -2

Simplifying
n = -2