3l+l=72

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Solution for 3l+l=72 equation: 


Simplifying
3l + l = 72

Combine like terms: 3l + l = 4l
4l = 72

Solving
4l = 72

Solving for variable 'l'.

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

Divide each side by '4'.
l = 18

Simplifying
l = 18

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