Ответ:
(5/7z-1/4)×5/16=5/16
5/7z-1/4=5/16÷5/16
5/7z-1/4=1
5/7z=1+1/4
5/7z=5/4
z=5/4÷5/7
z=5/4×7/5
z=7/4=1 3/4
Пошаговое объяснение:
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Ответ:
(5/7z-1/4)×5/16=5/16
5/7z-1/4=5/16÷5/16
5/7z-1/4=1
5/7z=1+1/4
5/7z=5/4
z=5/4÷5/7
z=5/4×7/5
z=7/4=1 3/4
Пошаговое объяснение: