3(2x)=81

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Solution for 3(2x)=81 equation: 


Simplifying
3(2x) = 81

Remove parenthesis around (2x)
3 * 2x = 81

Multiply 3 * 2
6x = 81

Solving
6x = 81

Solving for variable 'x'.

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

Divide each side by '6'.
x = 13.5

Simplifying
x = 13.5

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