Ответ:
Пошаговое объяснение:
(7/9*х+2 5/9):5/9=8 1/10
7/9*х+2 5/9=81/10*5/9
7/9*х+2 5/9=9/2
7/9*х=9/2-23/9
7/9*х=81/18-46/18
7/9*х=35/18
х=35/18:7/9
х=35/18*9/7
х=2,5
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Ответ:
Пошаговое объяснение:
(7/9*х+2 5/9):5/9=8 1/10
7/9*х+2 5/9=81/10*5/9
7/9*х+2 5/9=9/2
7/9*х=9/2-23/9
7/9*х=81/18-46/18
7/9*х=35/18
х=35/18:7/9
х=35/18*9/7
х=2,5