jaydenlasanta jaydenlasanta
  • 08-05-2020
  • Mathematics
contestada

-3y - 4x = -11
3y - 5x = -61

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Andouhaoyu0704
Andouhaoyu0704 Andouhaoyu0704
  • 08-05-2020

Answer: X=8, Y=-7

Step-by-step explanation: Using elimination(adding both equations) you get -9x=-72 and dividing -72 by -9 would get you 8 which is the x value. Plugging 8 back into any of the 2 equations would get you Y. 3y-5(8)=-61, 3y-40=-61 add 40 to both sides, making the equation 3y=-21. Dividing both equation by 3 would get you Y=-7

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