btlindley21107
btlindley21107 btlindley21107
  • 02-09-2020
  • Mathematics
contestada

6x + 2y = 18 -4x - 2y = -6

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-09-2020

Answer:

x=6, y = -9

Step-by-step explanation:

6x + 2y = 18

-4x - 2y = -6

Add the two equations together to eliminate y

6x + 2y = 18

-4x - 2y = -6

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

2x +0y = 12

Divide by 2

2x/2 = 12/2

x = 6

Then find y

6x+2y = 18

6*6 +2y = 18

36+2y = 18

Subtract  36 from each side

36+2y-36 = 18-6

2y = -18

Divide by 2

2y/2 = -18/2

y = -9

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aliciagalvez702
aliciagalvez702 aliciagalvez702
  • 02-09-2020
X=6 y=9
Because you need to place both equation over each other and choose to solve for x or y
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