4/23 - 5y = 7 - решите уравнение

Question

4/23 - 5y = 7 - решите уравнение

Answer 1

4/23 - 5y = 7
5y = 4/23 - 7
5y = 4/23 - 161/23
5y = - 157/23
y = - 157/23 : 5
y = - 157/115
y = - 1 42/115