3-6(1+3n)=105

Solution for 3-6(1+3n)=105 equation:

Simplifying
3 + -6(1 + 3n) = 105
3 + (1 * -6 + 3n * -6) = 105
3 + (-6 + -18n) = 105

Combine like terms: 3 + -6 = -3
-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