(111×8/11-2x)×89/110-56.127=32.873
(111*0.72-2х)*0.80-56.127=32.873 (79.92-2х)*0.80-56.127-32.873=0 (79.92-2х)*0.80-89=0 63.936-1.6х-89=0 -1.6х=-63.936+89 -1.6х=25.064 х=-0.06