SAT Math Practice Question #7973 - SATify | SATify
#7973
linear equations
equations
algebra
substitution
systems
medium
75 sec
20x+y=100 −10x+y=40
The solution to the given system of equations is (x,y). What is the value of y ?
• 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.
