(5n+6)+(4n+5)=

Solution for (5n+6)+(4n+5)= equation:

Simplifying
(5n + 6) + (4n + 5) = 0

Reorder the terms:
(6 + 5n) + (4n + 5) = 0

Remove parenthesis around (6 + 5n)
6 + 5n + (4n + 5) = 0

Reorder the terms:
6 + 5n + (5 + 4n) = 0

Remove parenthesis around (5 + 4n)
6 + 5n + 5 + 4n = 0

Reorder the terms:
6 + 5 + 5n + 4n = 0

Combine like terms: 6 + 5 = 11
11 + 5n + 4n = 0

Combine like terms: 5n + 4n = 9n
11 + 9n = 0

Solving
11 + 9n = 0

Solving for variable 'n'.

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

Add '-11' to each side of the equation.
11 + -11 + 9n = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 9n = 0 + -11
9n = 0 + -11

Combine like terms: 0 + -11 = -11
9n = -11

Divide each side by '9'.
n = -1.222222222

Simplifying
n = -1.222222222