Ответ: x = 21
Объяснение:
x - x = 3
x = 3
x = 3/
x = 3 * 7
x = 21
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Ответ: x = 21
Объяснение:
x -
x = 3
x = 3/![\frac{1}{7} \frac{1}{7}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B7%7D)
x = 3 * 7
x = 21