Let and

So, the given equations becomes

………………….. (i)

………………………. (ii)

Adding equation (i) and (ii) we get,

⇒

⇒ …….. (iii)

Using (iii) in (i), we get

⇒

⇒

⇒

Substituting in (iii), we find v

⇒

Hence, and,