Question

....
Q. 21. If x = 2
, y = - 1 is a solution of equation px – 2y =
10, the value of p is
U Board Term II 2012. Set-301​

Answer 1

Answer:

p=4

Step-by-step explanation:

A.P.Q.

px-2y=10

=> 2p-(-2)=10

2p+2=10

2p=8

p=4

Answer 2

Answer:

p = 4

Step-by-step explanation:

px-2y=10

Fill value of x and y

p(2) - 2(-1) = 10

2p + 2 = 10

2p = 10 - 2

2p = 8

p = 8/2

p = 4

So, value of p is 4