решите уравнение :

y + 1 3/18 = -2 7/12

у + 1 3/18 = – 2 7/12у + 21/18 = – 31/12у + 7/6 = – 31/12у = – 31/12 – 7/6у = – 45/12 = – 15/4 = – 3 3/4