SAT Math Practice Question #10338 - SATify | SATify
#10338
equations
identities
medium
15 sec
In the equation 3x+21=b(x+7), b is a constant. If the equation has infinitely many solutions, what is the value of b?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.