-3n+6+7n=-18

Solution for -3n+6+7n=-18 equation:

Simplifying
-3n + 6 + 7n = -18

Reorder the terms:
6 + -3n + 7n = -18

Combine like terms: -3n + 7n = 4n
6 + 4n = -18

Solving
6 + 4n = -18

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 + 4n = -18 + -6

Combine like terms: 6 + -6 = 0
0 + 4n = -18 + -6
4n = -18 + -6

Combine like terms: -18 + -6 = -24
4n = -24

Divide each side by '4'.
n = -6

Simplifying
n = -6