Which translation rule can be used to describe the result of the composition of (x,y)→ (x-3,y+8) and (x,y)→ (x+2,y-7)

The composition of (x,y)→ (x-3,y+8) and (x,y)→ (x+2,y-7) can be described by the following translation rule:

(x,y)→ (x-1, y+1)