6+5n=4n-9

Solution for 6+5n=4n-9 equation:

Simplifying
6 + 5n = 4n + -9

Reorder the terms:
6 + 5n = -9 + 4n

Solving
6 + 5n = -9 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
6 + 5n + -4n = -9 + 4n + -4n

Combine like terms: 5n + -4n = 1n
6 + 1n = -9 + 4n + -4n

Combine like terms: 4n + -4n = 0
6 + 1n = -9 + 0
6 + 1n = -9

Add '-6' to each side of the equation.
6 + -6 + 1n = -9 + -6

Combine like terms: 6 + -6 = 0
0 + 1n = -9 + -6
1n = -9 + -6

Combine like terms: -9 + -6 = -15
1n = -15

Divide each side by '1'.
n = -15

Simplifying
n = -15