123=-3(6n+1)

Solution for 123=-3(6n+1) equation:

Simplifying
123 = -3(6n + 1)

Reorder the terms:
123 = -3(1 + 6n)
123 = (1 * -3 + 6n * -3)
123 = (-3 + -18n)

Solving
123 = -3 + -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
123 + 18n = -3 + -18n + 18n

Combine like terms: -18n + 18n = 0
123 + 18n = -3 + 0
123 + 18n = -3

Add '-123' to each side of the equation.
123 + -123 + 18n = -3 + -123

Combine like terms: 123 + -123 = 0
0 + 18n = -3 + -123
18n = -3 + -123

Combine like terms: -3 + -123 = -126
18n = -126

Divide each side by '18'.
n = -7

Simplifying
n = -7