3(5n+8)=129

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Solution for 3(5n+8)=129 equation:


Simplifying
3(5n + 8) = 129

Reorder the terms:
3(8 + 5n) = 129
(8 * 3 + 5n * 3) = 129
(24 + 15n) = 129

Solving
24 + 15n = 129

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 + 15n = 129 + -24

Combine like terms: 24 + -24 = 0
0 + 15n = 129 + -24
15n = 129 + -24

Combine like terms: 129 + -24 = 105
15n = 105

Divide each side by '15'.
n = 7

Simplifying
n = 7

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