kdub3 kdub3
  • 09-07-2016
  • Mathematics
contestada

(?,5) is on the line 4x-7y=1. What is the other half of the coordinate?

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Jisallyouget
Jisallyouget Jisallyouget
  • 09-07-2016
the other half is 9.
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olemakpadu
olemakpadu olemakpadu
  • 09-07-2016
(?, 5)  on 4x - 7y = 1.

4x - 7y = 1          ? =x,  y = 5

4x - 7*5 = 1

4x - 35 = 1

4x = 1 + 35 = 36

4x = 36

x = 36/4

x = 9

The other half of the coordinate is 9.

So (?, 5) is   (9 , 5).
Answer Link

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