Angie was given the system of equations. Angie's work is shown in the table. 7x +y = - 12 7x + 4y = -6 Steps 1 Angie's Work --1 (77 + y = -12) -70 -76 = y = 12 72 + 4y = -6 Y = 12 2 3y = 6 Y = 2 -7 (2) - y = 12 -14 - y = 12 3 -Y = 26 Y = -26 4 The solution is (-2,2) Where did Angie make an error? Justify your answer.​

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%