6+(3n)=9+n

Solution for 6+(3n)=9+n equation:

Simplifying
6 + (3n) = 9 + n

Solving
6 + (3n) = 9 + n

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.
6 + (3n) + -1n = 9 + n + -1n

Combine like terms: (3n) + -1n = 2n
6 + 2n = 9 + n + -1n

Combine like terms: n + -1n = 0
6 + 2n = 9 + 0
6 + 2n = 9

Add '-6' to each side of the equation.
6 + -6 + 2n = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 9 + -6
2n = 9 + -6

Combine like terms: 9 + -6 = 3
2n = 3

Divide each side by '2'.
n = 1.5

Simplifying
n = 1.5