Answer:
1.
2.
3.
4.
Explanation:
"Right" and "Up" = Positive (+)
"Left" and "Down" = Negative (-)
"Left" and "Right" = Variable "x"
"Up" and "Down" = Variable "y"
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Basically what you're doing is you're writing this kind of stuff (x +/- #, y +/- #)