find three points that solve the equation -4y=-5x-18

Question

04-07-2017
Mathematics

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find three points that solve the equation -4y=-5x-18

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koziadam koziadam · Answer 1 · 2017-07-04T05:35:58+02:00

(2,7)
(6,12)
(10,17)

Some moderator deleted my response for some reason. I did it mentally.. but I guess I'll show proof.

1) (2,7)

-4y = -5x - 18
-4(7) = -5(2) - 18
   -28 = -10 -18
-28 = -28

2) (6,12)

  -4y=-5x-18
-4(12) = -5(6) - 18
   -48 = -30 - 18
   -48 = -48

3) (10,17)

4y=-5x-18
-4(17) = -5(10) - 18
   -68 = -50 - 18
   -68 = -68

See the pattern? 2,6,10 and 7,12,17?
Done with substitution and trial and error :3333