A$)$ Find X$1($see the similar example$($s$)$ of the note if you do not know what X$1,$ X$2$ are$)-$ X$1$ is associated with the

unit moment at B$.$

B$)$ Find X$2.$ Note: X$2$ is associated with the unit moment at C$.$

C$)$ Based on X$1$ and X$2$: Find RAx $($Horizontal reaction at A$).$

D$)$ Based on X$1$and X$2$: Find RAy $($Vertical reaction at A$).$