Ответ:
Пошаговое объяснение:
7*(x + 5) = 35 * 15
7x + 35 = 525
7x = 525 - 35
7x = 490
x = 490 : 7
x = 70
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Ответ:
Пошаговое объяснение:
7*(x + 5) = 35 * 15
7x + 35 = 525
7x = 525 - 35
7x = 490
x = 490 : 7
x = 70