SAT Practice2a3b6ab6-2f25-4e2a-817b-9112e317c958

Practice one SAT question at a time

Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).

x(r-9)+4=19x+27

In the given equation, r is a positive integer. If the given equation has exactly one solution, what CANNOT be the value of r ?