Знайдіть суму 8х/y-x + 8y/x-y

Question

Знайдіть суму
8х/y-x + 8y/x-y

Answer 1

8х/(y-x) + 8y/(x-y) = (-8х)/(x-y) + 8y/(x-y) = (-8х + 8y) / (x-y) = 8(-x + y) / (x-y)  = -8(x-y) / (x-y) = -8