Question 617208
    You are making a map of your neighborhood using a coordinate system where north is the positive y axis, and east is the positive x axis. You set it up so that every intersection is a point on the coordinate system. If you start at point (3,4) and now walk 3 blocks north and 6 blocks west. At what coordinate do you find yourself?
.
Starting at:
(3,4)
after walking 3 blocks north:
(3,4+3)
(3,7)
after walking 6 blocks west:
(3-6,7)
(-3,7)  (answer)