Question

7(y-6)/4=5(y+1)/3-3(y+2)

Answer 1

решение:
7y-42/4=5y+5/3-3y-6
21y-126=20y+20-36y-72
21y-20y+36y=20-72+126
37y=74
y=74:37
y=2
Проверка:
7(2-6)/4=5(2+1)/3-3(2+2)
7=7
Ответ: y=2