Question

⅔х +½х - ¾ = 2-⅓х +2¼х

Answer 1

Оз. 12
8/12х+6/12х+4/12х+11/12х=2 3/4
29/12х=2 3/4
2 5/12х=2 3/4
х= 11/4:29/12
х=11/4*12/29 (сокращаем)
х=33/29
х=1 4/29