3(2l+3)=21

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Solution for 3(2l+3)=21 equation: 


Simplifying
3(2l + 3) = 21

Reorder the terms:
3(3 + 2l) = 21
(3 * 3 + 2l * 3) = 21
(9 + 6l) = 21

Solving
9 + 6l = 21

Solving for variable 'l'.

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

Add '-9' to each side of the equation.
9 + -9 + 6l = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 6l = 21 + -9
6l = 21 + -9

Combine like terms: 21 + -9 = 12
6l = 12

Divide each side by '6'.
l = 2

Simplifying
l = 2

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