Question

СРОЧНО!!!
13/14х - 4/21х + 1/7х = 2 1/3
Дам 15 баллов!!!

Answer 1

Ответ:

13/14х+2/14х=15/14х= 1 1/14х

1 3/42-8/42=51/42-8/42= 43/42= 1 1/42х

1 1/42х=2 1/3

х= 2 1/3:1 1/42= 2 14/42:1 1/42= 98/42* 42/43=98/43=2 12/43