Автор - aleksunyakessier

СРОЧНО РЕШИТЕ УРАВНЕНИЯ
Х:8+7=9
Ещё
14х+5х=608
И
(х+7):8=9

Ответ

Автор - ElzaFlutty

1. x : 8 + 7 = 9

x : 8 = 9 - 7

x : 8 = 2

X = 8 * 2

x = 16

2. 14x + 5x = 608

    19x = 608

    x = 608 : 19

    x = 32

3. (x + 7) : 8 = 9

   x + 7 = 9 * 8

   x + 7 = 72

   x = 72 - 7

   x = 65

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