Answer:
Plug the cordinates in
Explanation:
ex:
18 = 2(5) + 8
now
2 x 5 = 10
10 + 8 = 18
4(5) - 2(18) = -16
20 - 36 = -16
So (5,18) is yes
just do the steps I did to answer the rest. Good Luck :)
Let me know If I confused you.
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