SAT Math Practice Question #31603 - SATify | SATify
#31603
linear equations
systems
equations
medium
90 sec
The system of equations ax+3y=21 and 5x+6y=39 is given. In the given system of equations, a is a constant. The graphs of these equations in the xy-plane intersect at the point (x,4). What is the value of a?
• 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.
