Add the equations. 3x - y = -1
+ -3x + 3y = 27
A. 6x - 4y = -28
B. -2y = -28
C. 4y = 28
D. 2y = 26

Please answer quickly and as accurately as possible, this is for a quiz! Thank you!

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity