Решите уравнение 5\9x=2 1\3; 14\39:x=21\52

Question

Решите уравнение 5\9x=2 1\3; 14\39:x=21\52

Answer 1

5/9х = 2 1/3,
5/9х= 7/3,
х = 7/3:5/9,
х = 7/3*9/5,
х=63/15,
х=21/5,
х=4 1/5,

14/39:х=21/52,
х=14/39:21/52,
х=14/39*52/21,
х=104/117,
х = 8/9