-6(-n-1)=9n

Solution for -6(-n-1)=9n equation:

Simplifying
-6(-1n + -1) = 9n

Reorder the terms:
-6(-1 + -1n) = 9n
(-1 * -6 + -1n * -6) = 9n
(6 + 6n) = 9n

Solving
6 + 6n = 9n

Solving for variable 'n'.

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

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

Combine like terms: 6n + -9n = -3n
6 + -3n = 9n + -9n

Combine like terms: 9n + -9n = 0
6 + -3n = 0

Add '-6' to each side of the equation.
6 + -6 + -3n = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -3n = 0 + -6
-3n = 0 + -6

Combine like terms: 0 + -6 = -6
-3n = -6

Divide each side by '-3'.
n = 2

Simplifying
n = 2