Consider the line date:

North Lake Main South Elm Bus-to-Bus R per unit X per unit B per unit 0.02 0.06 0.06 0.08 0.24 0.05 2-3 0.06 0.18 0.04 2-4 0.08 0.24 0.05 2-5 0.02 0.06 0.02 3-4 0.01 0.04 0.01 4-5 0.03 0.10 0.04 6.25 - /18.695 -5.00 + /15.00 -1.25 + 13.75 0 -5.00 + /15.00 The last row is taken from the Y-matrix and is included here to verify your results