Question

Помогите решить уравнение
1 2/7-(5-y)=9 1/7

Answer 1

1 2/7-(5-y) =9 1/7
1•1/7-(5-y) =9•1/7
1/7-5+y=9/7
-34/7+y=9/7
y=9/7+34/7
y=43/7=6 1/7