christinabatchelor20 christinabatchelor20
  • 25-05-2020
  • Mathematics
contestada

Which equation results from adding the equations in the system
×+6y=9
-×+2y=-15

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 25-05-2020

Answer:

x = 27/2 , y = -3/4

Step-by-step explanation:

x+6y=9

-x+2y=-15

--------------------

0x +8y = -6

Divide each side by 8

8y/8 = -6/8

y = -3/4

Now find x

x +6y = 9

x +6(-3/4) =9

x - 9/3 = 9

Add 9/2 to each side

x = 9+9/2

x = 18/2 +9/2

x = 27/2

Answer Link
bmadrigal0013
bmadrigal0013 bmadrigal0013
  • 02-02-2022

Answer:

A

8y = -6

Step-by-step explanation:

Hope this helps

Answer Link

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