72=2(l+w)

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

Simplifying
72 = 2(l + w)
72 = (l * 2 + w * 2)
72 = (2l + 2w)

Solving
72 = 2l + 2w

Solving for variable 'l'.

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

Add '-2l' to each side of the equation.
72 + -2l = 2l + -2l + 2w

Combine like terms: 2l + -2l = 0
72 + -2l = 0 + 2w
72 + -2l = 2w

Add '-72' to each side of the equation.
72 + -72 + -2l = -72 + 2w

Combine like terms: 72 + -72 = 0
0 + -2l = -72 + 2w
-2l = -72 + 2w

Divide each side by '-2'.
l = 36 + -1w

Simplifying
l = 36 + -1w