3+2(1+5n)=65

Solution for 3+2(1+5n)=65 equation:

Simplifying
3 + 2(1 + 5n) = 65
3 + (1 * 2 + 5n * 2) = 65
3 + (2 + 10n) = 65

Combine like terms: 3 + 2 = 5
5 + 10n = 65

Solving
5 + 10n = 65

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + 10n = 65 + -5

Combine like terms: 5 + -5 = 0
0 + 10n = 65 + -5
10n = 65 + -5

Combine like terms: 65 + -5 = 60
10n = 60

Divide each side by '10'.
n = 6

Simplifying
n = 6