Question

помогите пж срочно!! ( 2/3 + x) :14 =(3/2+x)=18

Answer 1

Ответ:

(2/3+х):14=(3/2+х):18

1/21+х/14=1/12+х/18

9х/126-7х/126=1/12-1/21

2х/126=21/252-12/252

4х/252=9/252

4х=9/252*252

4х=9

х=9:4

х=21/4