Question

реши уравнение с проверкой: 112-y·12=52

Answer 1

112-y*12=52;
112-12y=52;
12y=112-52;
12y=60;
y=60:12;
y=5.

Проверка:112-5*12=112-60=52.

Answer 2

112-y*12=52
112-12y=52
12y=112-52
12y=60
y=60:12
y=5
112-5*12=52