SAT Math Practice Question #20397 - SATify | SATify
#20397
linear equations
systems
medium
120 sec
Calculator OK
(a+b)−2(c−d)=90(a+b)+2(c−d)=150 The solution to the given system of equations is (a,b,c,d). What is the value of 4(a+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.
