Question

Решите подробно систему, пожалуйста:)

Answer 1

y - x = 5
60/x - 50/y = 20/60

y = x + 5
60/x - 50/(x + 5) = 1/3

y = x + 5
180x + 900 - 150x = x^2 + 5x
x^2 - 25x - 900 = 0
D = 625 + 3600 = 4225
x1 = (25 - 65)/2
x1 = -20
x2 = (25+ 65)/2
x2 = 35