Question

ДАЮ 20 БАЛЛОВ! 3(у-1) -1 = 8(у-1)-6

Answer 1

3y-3-1=8y-8-6
3y-4=8y-14
14-4=8y-3y
10=5y
2=y
Ответ: 2.

Answer 2

y =2 10y