Question

[Krissy]

số nguyên y thỏa mãn : y-5/7-y=2/-3

Answer 1

[Memeface Troller]

\(\frac{y-5}{7-y}=\frac{2}{-3}\)

<=>-3.(y-5)=2.(7-y)

<=>-3y+15=14-2y

<=>15-14=3y-2y

<=>y=1