Question

решите уравнение 2/3 /5/6х-1/6 +1/3=7/9

Answer 1

×=2 35+1 47
х=135+11/7
Х=91/35+55/35
х=146/35
х=4 6/35

Answer 2

Вот

Answer 3

2/3/5/6х-1/6=7/9-1/3
2/3/5/6х-1/6=4/9
5/6х-1/6=2/3:4/9
5/6х-1/6=2/3*9/4
5/6х-1/6=3/2
5/6х=3/2+1/6
5/6х=10/6
Х=2