(3n+0.5)+(n-0.3)=

Solution for (3n+0.5)+(n-0.3)= equation:

Simplifying
(3n + 0.5) + (n + -0.3) = 0

Reorder the terms:
(0.5 + 3n) + (n + -0.3) = 0

Remove parenthesis around (0.5 + 3n)
0.5 + 3n + (n + -0.3) = 0

Reorder the terms:
0.5 + 3n + (-0.3 + n) = 0

Remove parenthesis around (-0.3 + n)
0.5 + 3n + -0.3 + n = 0

Reorder the terms:
0.5 + -0.3 + 3n + n = 0

Combine like terms: 0.5 + -0.3 = 0.2
0.2 + 3n + n = 0

Combine like terms: 3n + n = 4n
0.2 + 4n = 0

Solving
0.2 + 4n = 0

Solving for variable 'n'.

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

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 4n = 0 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 4n = 0 + -0.2
4n = 0 + -0.2

Combine like terms: 0 + -0.2 = -0.2
4n = -0.2

Divide each side by '4'.
n = -0.05

Simplifying
n = -0.05