Question

How do you solve `\frac { 2} { v } = \frac { 4} { v } - \frac { v - 5} { v }`?

Answer 1

`color(green)(v=7)`

Explanation:

Provided `v!=0`
we can multiply both sides by `v` to get
`color(white)("XXX")2=4-(v-5)`

`color(white)("XXX")2=9-v`

`color(white)("XXX")v=7`