Question

You use an x-y plane to represent your position. Starting at

(+150 m, −50 m), you walk 20 meters west and 30 meters
north. What are your new coordinates

Answer 1

(+150 m, −50 m), you walk 20 meters west and 30 meters
north. What are your new coordinates
answer +180 and -80 :)

Answer 2

they are +180 and -80 :)