PantorumPrme
PantorumPrme PantorumPrme
  • 25-05-2017
  • Mathematics
contestada

What is the solution of x + y = 2 and 2x + 5y = 16?

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WeatheringWithYou
WeatheringWithYou WeatheringWithYou
  • 25-05-2017
Multiply the first equation by two to get 2x + 2y = 4. 
Subtract the second equation from the first equation to get -3y = -12

y = 4. 

Plug y back in to get x = -2. 
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fussellk
fussellk fussellk
  • 25-05-2017
using elimination method....
I got y = 4 and x = -2
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