3(7n-8)=123

Solution for 3(7n-8)=123 equation:

Simplifying
3(7n + -8) = 123

Reorder the terms:
3(-8 + 7n) = 123
(-8 * 3 + 7n * 3) = 123
(-24 + 21n) = 123

Solving
-24 + 21n = 123

Solving for variable 'n'.

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

Add '24' to each side of the equation.
-24 + 24 + 21n = 123 + 24

Combine like terms: -24 + 24 = 0
0 + 21n = 123 + 24
21n = 123 + 24

Combine like terms: 123 + 24 = 147
21n = 147

Divide each side by '21'.
n = 7

Simplifying
n = 7