39/5÷[8/3×﹙13/8+2x﹚-11/10]-2/15÷2/3=1.8 39/5÷[13/3+16x/3-1.1]-0.2=1.8 39/5÷[97/33+16x/3]=2 [97/33+16x/3]=39/10 16x/3=317/330 x=317/1760
