(n+3)*6=30

Solution for (n+3)*6=30 equation:

Simplifying
(n + 3) * 6 = 30

Reorder the terms:
(3 + n) * 6 = 30

Reorder the terms for easier multiplication:
6(3 + n) = 30
(3 * 6 + n * 6) = 30
(18 + 6n) = 30

Solving
18 + 6n = 30

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + 6n = 30 + -18

Combine like terms: 18 + -18 = 0
0 + 6n = 30 + -18
6n = 30 + -18

Combine like terms: 30 + -18 = 12
6n = 12

Divide each side by '6'.
n = 2

Simplifying
n = 2