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vjjvkckgiux

6х+2х+1=160
8х=159
Х=19,875

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Romanovatatian

Ответ: 5

Пошаговое объяснение: 3*2ˣ+2ˣ⁺¹=160,   3*2ˣ+2*2ˣ=160,   5*2ˣ=160,

2ˣ=160:5,    2ˣ=32,     2ˣ=2⁵,      х=5.

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