6=3n-n

Solution for 6=3n-n equation:

Simplifying
6 = 3n + -1n

Combine like terms: 3n + -1n = 2n
6 = 2n

Solving
6 = 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
6 + -2n = 2n + -2n

Combine like terms: 2n + -2n = 0
6 + -2n = 0

Add '-6' to each side of the equation.
6 + -6 + -2n = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -2n = 0 + -6
-2n = 0 + -6

Combine like terms: 0 + -6 = -6
-2n = -6

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

Simplifying
n = 3