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3 December, 20:52

Use this system of equations to answer the questions that follow.

4x-9y = 7

-2x + 3y = 4

what number would you multiply the second equation by in order to eliminate the x-terms when adding the first equation?

what number would you multiply the second equation by in order to eliminate the y - term when adding the second equation?

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Answers (2)
  1. 3 December, 22:24
    0
    Well the right awnser is 12y-2x
  2. 3 December, 23:07
    0
    I multiply second equation by 2 which becomes - 4x + 6y=8 and for y I multiply second equation by 3 which becomes - 6x+9y=12
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