3 x-4/9+5x-7/6=4x+5/18
3х - 8/18 + 5х - 21/18 =4х + 5/18 3х+5х-4х=8/18+21/18+5/18 4х=34/18 4х=17/9 4х=1 1/9 х = 17/36