3(2l+6)=42

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Solution for 3(2l+6)=42 equation: 


Simplifying
3(2l + 6) = 42

Reorder the terms:
3(6 + 2l) = 42
(6 * 3 + 2l * 3) = 42
(18 + 6l) = 42

Solving
18 + 6l = 42

Solving for variable 'l'.

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

Add '-18' to each side of the equation.
18 + -18 + 6l = 42 + -18

Combine like terms: 18 + -18 = 0
0 + 6l = 42 + -18
6l = 42 + -18

Combine like terms: 42 + -18 = 24
6l = 24

Divide each side by '6'.
l = 4

Simplifying
l = 4

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