Final answer:
Nancy's new position is (-2,-2) after moving 5 blocks to the right, 3 blocks down, 7 blocks to the left, and 1 block up.
Step-by-step explanation:
Nancy starts at the origin (0,0). She walks 5 blocks to the right, which takes her to the point (5,0). Then, she moves down 3 blocks, reaching the point (5,-3). Next, she goes 7 blocks to the left, ending up at (-2,-3). Finally, she goes up 1 block to her new position at (-2,-2).
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