Question

12,5y - 3,7y = 12,32 y=?

Answer 1

12,5у - 3,7у = 12,32,
8,8у = 12,32,
у = 1,4,
проверка:
12,5*1,4 - 3,7*1,4 = 12,32,
17,5 - 5,18,
12,32 = 12,32