Question

(2x+7x):5=27 реши уравнение

Answer 1

9 х = 27 * 5
9х = 135
х = 135 / 9 
х = 15
Проверка
(2 * 15 + 7 * 15) / 5 = 27
(30 + 105) / 5 = 27
135 / 5 = 27
27 = 27

Answer 2

posibochki

Answer 3

yra

Answer 4

ура)))