Suckless SAT Practice

SAT Practice214d64ec-0e1a-4a3f-8fcb-73b3eecf4a6b

Practice one SAT question at a time

Questions come from the Bluebook question bank.

$3 x + 21 = 3 x + k$

In the given equation, $k$ is a constant. The equation has infinitely many solutions. What is the value of $k$ ?

Enter your answer

Use the exact value the question expects unless it says to round.