Question

Найдите x если
4/15 + y/15 = 1
8/15 - y/15 = 0
19/15 - y/15 = 1
1 - y/15=11/15

Answer 1

4/15 + y/15 = 1
(4+y)/15=1
y=11

8/15 - y/15 = 0
(8-y)/15=0
y=8

19/15 - y/15 = 1
(19-y)/15=1
y=4

1 - y/15=11/15
y/15+11/15=1
(y+11)/15=1
y=4

Answer 2

Вах вах спс С:

Answer 3

Пож.