3(2l+1)=81

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Solution for 3(2l+1)=81 equation: 


Simplifying
3(2l + 1) = 81

Reorder the terms:
3(1 + 2l) = 81
(1 * 3 + 2l * 3) = 81
(3 + 6l) = 81

Solving
3 + 6l = 81

Solving for variable 'l'.

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

Add '-3' to each side of the equation.
3 + -3 + 6l = 81 + -3

Combine like terms: 3 + -3 = 0
0 + 6l = 81 + -3
6l = 81 + -3

Combine like terms: 81 + -3 = 78
6l = 78

Divide each side by '6'.
l = 13

Simplifying
l = 13

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