3n+3(5n+1)=-105

Solution for 3n+3(5n+1)=-105 equation:

Simplifying
3n + 3(5n + 1) = -105

Reorder the terms:
3n + 3(1 + 5n) = -105
3n + (1 * 3 + 5n * 3) = -105
3n + (3 + 15n) = -105

Reorder the terms:
3 + 3n + 15n = -105

Combine like terms: 3n + 15n = 18n
3 + 18n = -105

Solving
3 + 18n = -105

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 18n = -105 + -3

Combine like terms: 3 + -3 = 0
0 + 18n = -105 + -3
18n = -105 + -3

Combine like terms: -105 + -3 = -108
18n = -108

Divide each side by '18'.
n = -6

Simplifying
n = -6