Destinyfongchoy
Destinyfongchoy Destinyfongchoy
  • 04-01-2018
  • Mathematics
contestada

Solve the system
12x+2y=86
6x+2y=56

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Аноним Аноним
  • 04-01-2018
12x+2y=86 -
  6x+2y=56
-------------------
  6x = 30 => x = 30 : 6 = 5
   
2y = 56 - 30 => 2y = 26 => y = 13
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