n+2n+(2n-6)=

Solution for n+2n+(2n-6)= equation:

Simplifying
n + 2n + (2n + -6) = 0

Reorder the terms:
n + 2n + (-6 + 2n) = 0

Remove parenthesis around (-6 + 2n)
n + 2n + -6 + 2n = 0

Reorder the terms:
-6 + n + 2n + 2n = 0

Combine like terms: n + 2n = 3n
-6 + 3n + 2n = 0

Combine like terms: 3n + 2n = 5n
-6 + 5n = 0

Solving
-6 + 5n = 0

Solving for variable 'n'.

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

Add '6' to each side of the equation.
-6 + 6 + 5n = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 5n = 0 + 6
5n = 0 + 6

Combine like terms: 0 + 6 = 6
5n = 6

Divide each side by '5'.
n = 1.2

Simplifying
n = 1.2