Answer:
Many.
Step-by-step explanation:
4(1-p) = -4p +4
or 4(1 -p) = -4(p-1)
or 4(1-p) = -4[-(1-p)]
or 4(1-p) = 4(1-p)
Here, left hand side is equal to left hand side. Therefore, it can be true for any value of p; that is, it has infinite number of solutions.
