Ответ:
x = 3 1/2 або х = 3.5
Пошаговое объяснение:
(x - 2 1/4 ) • 4/5 = 1
(x - 9/4) • 4/5 = 1
4x - 9 = 5
4x = 14
x = 14 : 4
x = 7/2
x = 3 1/2
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Ответ:
x = 3 1/2 або х = 3.5
Пошаговое объяснение:
(x - 2 1/4 ) • 4/5 = 1
(x - 9/4) • 4/5 = 1
4x - 9 = 5
4x = 14
x = 14 : 4
x = 7/2
x = 3 1/2