18=L-rL

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Solution for 18=L-rL equation:


Simplifying
18 = L + -1rL

Solving
18 = L + -1rL

Solving for variable 'L'.

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

Add '-1L' to each side of the equation.
18 + -1L = L + -1L + -1rL

Combine like terms: L + -1L = 0
18 + -1L = 0 + -1rL
18 + -1L = -1rL

Add 'rL' to each side of the equation.
18 + -1L + rL = -1rL + rL

Combine like terms: -1rL + rL = 0
18 + -1L + rL = 0

Add '-18' to each side of the equation.
18 + -1L + -18 + rL = 0 + -18

Reorder the terms:
18 + -18 + -1L + rL = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -1L + rL = 0 + -18
-1L + rL = 0 + -18

Combine like terms: 0 + -18 = -18
-1L + rL = -18

Reorder the terms:
18 + -1L + rL = -18 + 18

Combine like terms: -18 + 18 = 0
18 + -1L + rL = 0

The solution to this equation could not be determined.

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