4целых4/9÷(2/3x+14)=5/17
40/9 / (2/3х+14)=5/17 2/3х+14=40/9 ÷ 5/17 2/3х+14=136/9 Х=136/9-14 2/3х=10/9 Х=10/9 ÷2/3 Х=5/3=1 целая 2/3