Question

X/72 + 1/9 = 3/4 решите уранение

Answer 1

х/72 + 1/9 = 3/4
х/72 = 3/4 - 1/9
х/72 = 27/36 - 4/36
х/72 = 23/36
36х=23*72
36х=1656
х=1656/36
х=46

проверим
46/72 + 1/9 = 3/4
46/72 + 8/72 = 3/4
54/72 = 3/4
3/4 = 3/4