Question

How do I do this 16-3p=34 because i get the wrong answer

Answer 1

16-3p =34.  First you need to get the numbers and letters on different sides.
-16        -16
- 3p = 18  then divide by -3
  __     __
  -3       -3

p = -6  Hope that helps 

Answer 2

16 - 3p = 34
-16          -16
-3p = 18
p = -6