A point P has coordinates (3m,−2m) in a plane. A new coordinate system is obtained by moving the origin to (5m,1m) while keeping the axes parallel to the original ones. What are the coordinates (x′,y′) of P in the new system?
a) (8m,−1m)
b) (−2m,−3m)
c) (2m,3m)
d) (−3m,−2m)