Question

How do you solve `(n-5)/(n+8)=2/7`?

Answer 1

`n=51/5`

Explanation:

Using shortcut method

Cross multiply giving:

`7(n-5)" "=" "2(n+8)`

`7n-35" "=" "2n+16`

`7n-2n=16+35`

`5n=51`

`n=51/5`