15+(2l)+l=72

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Solution for 15+(2l)+l=72 equation: 


Simplifying
15 + (2l) + l = 72

Combine like terms: (2l) + l = 3l
15 + 3l = 72

Solving
15 + 3l = 72

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 + 3l = 72 + -15

Combine like terms: 15 + -15 = 0
0 + 3l = 72 + -15
3l = 72 + -15

Combine like terms: 72 + -15 = 57
3l = 57

Divide each side by '3'.
l = 19

Simplifying
l = 19

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