Пошаговое объяснение:
15 3/8:(1 3/4х+5 5/6)=3/4+1 1/2
15 3/8:(1 3/4х+5 5/6)=3/4+1 2/4
15 3/8:(1 3/4х+5 5/6)=2 1/4
1 3/4х+5 5/6=15 3/8:2 1/4
1 3/4х+5 5/6=123/8*4/9
1 3/4х+5 5/6=123/18=6 5/6
1 3/4х=6 5/6-5 5/6
1 3/4х=1
Х=1 :1 3/4
Х=1*4/7
Х=4/7
Пошаговое объяснение:
15 3/8:(1 3/4х+5 5/6)=3/4+1 1/2
15 3/8:(1 3/4х+5 5/6)=3/4+1 2/4
15 3/8:(1 3/4х+5 5/6)=2 1/4
1 3/4х+5 5/6=15 3/8:2 1/4
1 3/4х+5 5/6=123/8*4/9
1 3/4х+5 5/6=123/18=6 5/6
1 3/4х=6 5/6-5 5/6
1 3/4х=1
Х=1 :1 3/4
Х=1*4/7
Х=4/7