Question

Найдите корни уравнений

Answer 1

1)
y= 3/7 - 1/4
y = 12/28 - 7/28
y = 5/28

2)
y = 3/10 + 5/12
y = 18/60 + 25/60
y = 43/60

3)
y = 3/5 - 4/11
y = 33/55 - 20/55
y = 13/55

4)
y = 11/25 - 4/15
y = 33/75 - 20/75
y = 13/75