How do you solve ?p-1/-3=-4

p-1/-3=-4 

p+(-1/-3)=-4

a neg divided by a neg = a pos

so this is better written as 

p+(1/3)=-4

 

subtract 1/3 from both sides

p= -4-(1/3)

p=-(4+1/3)

$$p=-4\frac{1}{3}$$