Jose Paul Solutions for Chapter: Simple Equations, Exercise 5: Answer the following

If $a\times b=0$ and $a\ne 0$, then $b=$ _____.

If $p\times q=0$ and $q\ne 0$, then $p=$ _____.

If $5\times x=0$, then $x=$ _____.

If $3(p-5)=0$, then $p-5=$ _____.

If $p-q=0$ and $p$ and $q$ are not equal to zero, then $p=$ _____.

If $pqr=0$, $pq$ is not equal to zero, then $r=$_____

If $x-3=0$, then $x=$ _____.

If $p+5=0$, then $p=$ _____.