18/9x-3/8x+11/18x=-9/2 ОЗ 7264x-27x+44x=-32481x=-324x=-324:81x=-41/2х-61/100=3/8х-1 9/25 ОЗ 200100x-126=75x-272100x-75x=126-27225x=-146x=-146:25x=-5/84 4/9х+5/8х-19/18х=1/9 ОЗ 7232х+45-76х=8-44х=8-45-44х=-37х=37/44 99/100-1 1/16х=39/50-х
ОЗ 400376-425х=312-400х-425х+400х=312-376-25х=-64х=-64:(-25)х=2б56