6(3n+1)-4=128

Solution for 6(3n+1)-4=128 equation:

Simplifying
6(3n + 1) + -4 = 128

Reorder the terms:
6(1 + 3n) + -4 = 128
(1 * 6 + 3n * 6) + -4 = 128
(6 + 18n) + -4 = 128

Reorder the terms:
6 + -4 + 18n = 128

Combine like terms: 6 + -4 = 2
2 + 18n = 128

Solving
2 + 18n = 128

Solving for variable 'n'.

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

Add '-2' to each side of the equation.
2 + -2 + 18n = 128 + -2

Combine like terms: 2 + -2 = 0
0 + 18n = 128 + -2
18n = 128 + -2

Combine like terms: 128 + -2 = 126
18n = 126

Divide each side by '18'.
n = 7

Simplifying
n = 7