A$)$ Find X$1($see the similar example$($s$)$ of the note if you do not know what X$1,$ X$2$ and X$3$ are$)-$ X$1$ is

associated with the unit moment at A$.$

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

C$)$ Find X$3.$ Note: X$3$ is associated with the unit moment at C$.$

D$)$ Based on X$1,$ X$2,$ and X$3$: Find RAy $($Vertical reaction at A$).$

E$)$ Based on X$1,$ X$2,$ and X$3$: Find RDy $($Vertical reaction at D$).$