Question

Решите уравнение (-5/14)×21/25-у=3 3/4

Answer 1

-3/10-y=15/4
-y=15/4+3/10
y=-81/20
y=-4 1/20

Answer 2

(-5/14)×21/25-у=3 3/4
Сократим:
-3/10-у = 3 3/4
-у = 3 3/4+3/10
-у = 3 15/20+6/20
у = - 3 21/20
у = - 4 1/20