Y-17/21 = 19/21-16/21

Question

Y-17/21 = 19/21-16/21

Answer 1

У - 17/21 равно 3/21
у равно 17/21 плюс 3/21
у равно 20/21

Answer 2

Ответ:

y-17/21=19/21-16/21;

y-17/21=3/21;

y=3/27+17/21;

y=20/21.