18y – 17 = 7 for y.
A.
B.
C.
D....
Answers: 2
Mathematics, 18.07.2019 10:00
Chemistry, 18.07.2019 10:00
History, 18.07.2019 10:00
Chemistry, 18.07.2019 10:00
Mathematics, 18.07.2019 10:00
History, 18.07.2019 10:00
Mathematics, 18.07.2019 10:00