2x + y = 3
x - 2y = -1

If equation one is multiplied by 2 and then the equations are added, the result is .

A) 3x = 2
B) 3x = 5
C) 5x = 5

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%