85-(15+y)=23 уровнение

Question

85-(15+y)=23 уровнение

Answer 1

15+y = 85-23
15+y = 62
y = 62-15
y = 47
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Проверка
85-(15+47) = 23
85 - 62 = 23
23 = 23

Answer 2

85-(15+у) =23
(15+у) = 85-23
15+у=62
у=62-15
у=47