3(2l+5)=21

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Solution for 3(2l+5)=21 equation: 


Simplifying
3(2l + 5) = 21

Reorder the terms:
3(5 + 2l) = 21
(5 * 3 + 2l * 3) = 21
(15 + 6l) = 21

Solving
15 + 6l = 21

Solving for variable 'l'.

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

Add '-15' to each side of the equation.
15 + -15 + 6l = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 6l = 21 + -15
6l = 21 + -15

Combine like terms: 21 + -15 = 6
6l = 6

Divide each side by '6'.
l = 1

Simplifying
l = 1

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