SAT Math: Algebra and Functions Drill 2, Problem 5

Up Next:
SAT Math 2.3 Algebra and Functions 
Up Next:
SAT Math 2.1 Algebra and Functions 
Up Next:
SAT Math 2.2 Algebra and Functions 
Up Next:
SAT Math 5.4 Algebra and Functions 
Up Next:
SAT Math 3.3 Algebra and Functions 
Up Next:
SAT Math 7.5 Algebra and Functions 
Up Next:
SAT Math 7.4 Algebra and Functions 
Up Next:
SAT Math 7.2 Algebra and Functions