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21 July, 20:04

Which ordered pair is a solution of the equation y-4=7 (x-6)

Only (5,4)

Only (6,5)

Both

Neither

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Answers (1)
  1. 21 July, 21:10
    0
    first we will check if the coordinate (5,4) is a solution:

    you fill in only the X-coordinate (or the y-coordinate). I fill in 5 for X:

    y-4 = 7 (5-6)

    now we have to work this out like:

    y-4 = 7 • - 1

    y - 4 = - 7

    y = - 3 if the coordinate was the solution for the y-coordinate the answer should be 4 but it isn't so coordinate (5,4) isn't a solution.

    the same goes for coordinate (6,5):

    y-4 = 7 (6-6)

    y-4 = 0

    y = 4 if the coordinate was the solution for the y-coordinate the answer should be 5 but it isn't so coordinate (6,5) isn't a solution.

    so the answer is neither
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