Question

РЕШИТЕ УРАВНЕНИЕ ПЖ )
(1)
5/14+Х=9/14 (28/31+Х)-14/31=16/31 Х/36-5/36=7/36 (2) Х/9=12 286/y=13 y+15/6=12

Answer 1

5/14+х=9/14
х=9/14-5/14
х=4/14=2/7

(28/31+х)-14\31=16/31
28/31+х=16/31+14/31
28/31+х=30/31
х=30/31-28/31
х=2/31

х/36-5/36=7/36
х/36=7/36+5/36
х/36=12/36
х=12