Помогите решить уравнение
У-ПЯТЬ ДЕВЯТЫХ*У=3,6
y-5y/9=3.6
9y-5y=32.4
4y=32.4
y=8.1
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Answers & Comments
y-5y/9=3.6
9y-5y=32.4
4y=32.4
y=8.1
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