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11.09.2020 •
Mathematics
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Ответ:
Multiply each side by 2 : (7z - 1) = 2 (3z - 2)
7z - 1 = 6z - 4
Subtract 6z from each side: z - 1 = -4
Add 1 to each side: z = -3
Ответ:
60
Step-by-step explanation: