3(n+3)-n=

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

Simplifying
3(n + 3) + -1n = 0

Reorder the terms:
3(3 + n) + -1n = 0
(3 * 3 + n * 3) + -1n = 0
(9 + 3n) + -1n = 0

Combine like terms: 3n + -1n = 2n
9 + 2n = 0

Solving
9 + 2n = 0

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 2n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 2n = 0 + -9
2n = 0 + -9

Combine like terms: 0 + -9 = -9
2n = -9

Divide each side by '2'.
n = -4.5

Simplifying
n = -4.5