(3a)8=81

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Solution for (3a)8=81 equation: 


Simplifying
(3a) * 8 = 81

Remove parenthesis around (3a)
3a * 8 = 81

Reorder the terms for easier multiplication:
3 * 8a = 81

Multiply 3 * 8
24a = 81

Solving
24a = 81

Solving for variable 'a'.

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

Divide each side by '24'.
a = 3.375

Simplifying
a = 3.375

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