Question

(13/49+х)-21/49=19/49​

Answer 1

Ответ:

27/49

Пошаговое объяснение:

13/49+х-21/49=19/49

х=19/49-13/49+21/49

х=27/49

Answer 2

13/49+х=21/49+19/49
13/49+х=40/49
х=40/49-13/49
х=27/49