jay2343 jay2343
  • 08-12-2016
  • Mathematics
contestada

Which ordered pair is a solution to the system of linear equations -4x+y=8 and x-5y=17

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Аноним Аноним
  • 08-12-2016
x-5y=17 then x = 5y + 17
replace x = 5y + 17  into -4x+y=8

-4(5y + 17) +y = 8
-20y - 68 + y = 8
-19y = 8 + 68
-19y = 76
y = 76/-19
y = -4

x = 5y + 17
x = 5(-4) + 17
x = -20 + 17
x = 3

Answer: the order pair (3, -4)
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DeathTheKid101 DeathTheKid101
  • 08-12-2016
The answer would be (3, -4).
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