Question

решите уравнения
-2/3y + 5 = 2целых 5/9

Answer 1

-2/3y + 5 = 2 5/9
-2/3y = 2 5/9-5
-2/3y = 2 5/9-4 9/9
-2/3y = -2 4/9
у=(-2 4/9):(-2/3)
у=(-22/9)*(-3/2)
у=-11/3
у=-3 2/3