pancake55 pancake55
  • 18-04-2020
  • Mathematics
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Im need to reach h a 20 character limit

Im need to reach h a 20 character limit class=

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TheAnimeGirl
TheAnimeGirl TheAnimeGirl
  • 18-04-2020

So,the value of x is 10 and y is 15.

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Hópè it wìll help u.....

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Hrishii
Hrishii Hrishii
  • 18-04-2020

Answer:

x =10, y = 15

Step-by-step explanation:

[tex]5x - 4y = - 10...(1) \\ y = 2x - 5...(2) \\ from \: (1) \: and \: (2) \\ 5x - 4(2x - 5) = - 10 \\ 5x - 8x + 20 = - 10 \\ - 3x = - 10 - 20 \\ - 3x = - 30 \\ x = \frac{ - 30}{ - 3} \\ \huge \red{ \boxed{x = 10}} \\ substituting \: x = 10 \: in \: (2) \\ y = 2 \times 10 - 5 = 20 - 5 = 15 \\ \huge \purple{ \boxed{y = 15}}[/tex]

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