6p - 5 = 9p - 20 I assume you want to solve for p. Subtract 6p from both sides 6p - 6p - 5 = 9p - 6p - 20 -5 = 3p - 20 Add 20 to both sides 20 - 5 = 3p - 20 + 20 = 3p 3p = 15 p = 15/3 = 5 :)