Question

what is the value of a pls do in step wise ​

Answer 1

   

$a-q+1=p \\ \\ \\ \Rightarrow\ a=p+q-1$

Hope this helps.

Plz ask me if you have any doubts.

Thank you. :-))

       

Answer 2

step 1.a-q=p-1

step 2.a=p-1+q