Question

 Решить уравнение 51/(4y-9)=17

Answer 1

51 : (4у - 9) = 17,
4у - 9 = 51 : 17,
4у - 9 = 3,
4у = 3 + 9,
4у = 12,
у = 12 : 4,
у = 3.
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Ответ: 3.