4х=9/5+1/15
4х=28/15
х=7/15
Ответ:
x = 7
Пошаговое объяснение:
4x - 1/15 = 9/5
(4x - 1)5 = 15 • 9
20x - 5 = 135
20x = 140
x = 140 : 20
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4х=9/5+1/15
4х=28/15
х=7/15
Ответ:
x = 7
Пошаговое объяснение:
4x - 1/15 = 9/5
(4x - 1)5 = 15 • 9
20x - 5 = 135
20x = 140
x = 140 : 20
x = 7