Find the values of `p` and `q` for which the following system of equations has infinite number of solutions: `2x+3y=7,\ \ \ \ (p+q)x+(2p-q)y=21`

Find the values of p and q for which the following system of linear equations has infinite number of solutions: 2x+3y=9,\ \ \ \ (p+q)x+(2p-q)y=3(p+q+1)

Find the values of p and q for which the following system of equations has infinite number of solutions: 2x+3y=7,quad (p+q)x+(2p-q)y=21

Find the values of p and q for which the following system of linear equations has infinite number of solutions: 2x+3y=9,quad (p+q)x+(2p-q)y=3(p+q+1)

Find the value of p and q for which the following system of linear equations has infinite number of solutions: 2x+3y=1,(p+q)x+(2p-q)y=21 .

Find the value of a for which the following system of equations has infinitely many solutions: 2x+3y=7,\ \ \ \ (a-1)x+(a+2)y=3a

For what value of p, the following system of linear equation has infintely many solution. 2x+3y=7, (p+1)x+(2p-1)y=4p+1

For what values of p and q, will the following pair of linear equations have infinitely many solutions? 4x+5y=2 (2p+7q)x+(p+8q)y=2q-p+1

For what value of p and q , will the following pair of linear equations have infinitely many solutions? 4x+5y=2 (2p+7q)x + (p+8q) y=2q-p+1

If the pair of equations 2x+y=7 and 6x-py-21=0 has infinite number of solutions then p=………..