-3=2n-n

Solution for -3=2n-n equation:

Simplifying
-3 = 2n + -1n

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

Solving
-3 = 1n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-3 + -1n = 1n + -1n

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

Add '3' to each side of the equation.
-3 + 3 + -1n = 0 + 3

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

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

Divide each side by '-1'.
n = -3

Simplifying
n = -3