-1.5(4-n)+2.8=0

Solution for -1.5(4-n)+2.8=0 equation:

Simplifying
-1.5(4 + -1n) + 2.8 = 0
(4 * -1.5 + -1n * -1.5) + 2.8 = 0
(-6 + 1.5n) + 2.8 = 0

Reorder the terms:
-6 + 2.8 + 1.5n = 0

Combine like terms: -6 + 2.8 = -3.2
-3.2 + 1.5n = 0

Solving
-3.2 + 1.5n = 0

Solving for variable 'n'.

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

Add '3.2' to each side of the equation.
-3.2 + 3.2 + 1.5n = 0 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + 1.5n = 0 + 3.2
1.5n = 0 + 3.2

Combine like terms: 0 + 3.2 = 3.2
1.5n = 3.2

Divide each side by '1.5'.
n = 2.133333333

Simplifying
n = 2.133333333