Question

Помогите срочнооо дам 20 баллов ​

Answer 1

(1/3)х + 2 2/5 = 3 2/3
(1/3)х = 3 2/3 - 2 2/5
(1/3)х = 3 10/15 - 2 6/15
(1/3)х = 1 4/15
х = 1 4/15 : 1/3
х = 19/15 · 3/1
х = 19/5
х = 3 целых 4/5
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Проверка: 1/3 · 19/5 + 2 2/5 = 19/15 + 2 6/15 = 2 25/15 = 3 10/15 = 3 2/3