Question

Resolva a equação (n+1)/(n-1)=12​

Answer 1

$(n+1)/(n-1) = 12\\\\n+1 = 12 . (n-1)\\\\n+1 = 12n - 12\\\\12n - n = 12 + 1\\\\11n = 13\\\\n = (11)/(13)$