Answer:

The value of x is -3 when p is -5
Explanation:
Given the equation 4(px+1)=64
we have to find the value of x in terms of p and value of x when p is -5.
4(px+1)=64
Divide throughout by 4
⇒

Subtracting 1 from both sides,we get

⇒

When p=-5

The value of x is -3 when p is -5