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14 April, 11:00

Question 2 options:

All questions are about this system of equations:

{5x + 18y = 23

x + 3y = 2

When you multiply the second equation by this number, what does it become?

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Answers (1)
  1. 14 April, 11:04
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    The second equation becomes

    -6x-18y=-12

    5x+18y=23

    -6x-18y-12

    -x=11

    x=-11

    -11+3y=2

    3y=13

    y=13/3
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