Solve for L2: W = 1/6 B (L1 - L2) W = 1/6 B (L1 - L2) is equivalent to 1/6 B (L1 - L2) = W: 1/6 B (L1 - L2) = W Divide both sides by B/6: L1 - L2 = (6 W)/B Subtract L1 from both sides: -L2 = (6 W)/B - L1 Multiply both sides by -1: Answer: L2 = L1 - (6 W)/B
