3=n+2n

Solution for 3=n+2n equation:

Simplifying
3 = n + 2n

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

Solving
3 = 3n

Solving for variable 'n'.

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

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

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

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

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

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

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

Simplifying
n = 1