2*x-y=19 log(2*x-1)*1/log(9)-log(9*y)=-1/2

log(2*x – 1)
———— – log(9*y) = -1/2
log(9)

x1 = 9.847261711215063 + 7.319547510491047e-34*i
y1 = 0.6945234224301269 + 1.463909502098209e-33*i

x2 = 9.847261711215063 – 1.723164754730862e-19*i
y2 = 0.6945234224301269 – 3.446329509461724e-19*i

x3 = 9.847261711215063
y3 = 0.6945234224301269

x4 = 9.847261711215063 + 1.532328550126279e-32*i
y4 = 0.6945234224301269 + 3.064657100252557e-32*i

x5 = 9.847261711215063 – 8.393412729684974e-18*i
y5 = 0.694523422430127 – 1.678682545936995e-17*i

x6 = 9.847261711215063 – 1.435597711965165e-25*i
y6 = 0.6945234224301269 – 2.87119542393033e-25*i

x7 = 9.847261711215063 – 5.399578682199125e-24*i
y7 = 0.6945234224301269 – 1.079915736439825e-23*i

x8 = 9.847261711204836 – 2.800986804008511e-11*i
y8 = 0.694523422409671 – 5.601973608017022e-11*i

x9 = 9.847261711215063 + 4.593927202340763e-39*i
y9 = 0.6945234224301269 + 9.187854404681527e-39*i

x10 = 9.847261711215063 + 1.611479412956726e-20*i
y10 = 0.6945234224301269 + 3.222958825913452e-20*i

x11 = 9.847261711215063 + 3.372944543219205e-20*i
y11 = 0.6945234224301269 + 6.745889086438409e-20*i

x12 = 9.847261711215065 + 8.097070940031355e-15*i
y12 = 0.69452342243013 + 1.619414188006271e-14*i

x13 = 9.847261711215097 + 1.665445203720363e-14*i
y13 = 0.694523422430194 + 3.330890407440725e-14*i

x14 = 9.847261711215063 + 9.52764759823183e-19*i
y14 = 0.6945234224301269 + 1.905529519646366e-18*i