-6n+3(-5n+1)=-123

Solution for -6n+3(-5n+1)=-123 equation:

Simplifying
-6n + 3(-5n + 1) = -123

Reorder the terms:
-6n + 3(1 + -5n) = -123
-6n + (1 * 3 + -5n * 3) = -123
-6n + (3 + -15n) = -123

Reorder the terms:
3 + -6n + -15n = -123

Combine like terms: -6n + -15n = -21n
3 + -21n = -123

Solving
3 + -21n = -123

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 + -21n = -123 + -3

Combine like terms: 3 + -3 = 0
0 + -21n = -123 + -3
-21n = -123 + -3

Combine like terms: -123 + -3 = -126
-21n = -126

Divide each side by '-21'.
n = 6

Simplifying
n = 6