Question

решите уравнение: (y+3 79)-12 59 = 5 69

Answer 1

(y+3 7/9)-12 5/9=5 6/9
y+3 7/9=5 6/9+12 5/9
y+3 7/9=18 2/9
y=18 2/9-3 7/9
y=130/9=14 4/9