haras11 haras11
  • 25-10-2019
  • Mathematics
contestada

55x + 2 y =23
113x + 3y = 51

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 27-10-2019

Answer:

[tex][\frac{33}{61}, -3\frac{23}{61}][/tex]

Step-by-step explanation:

{55x + 2y = 23

{113x + 3y = 51

−55⁄113[113x + 3y = 51]

{55x + 2y = 23

{−55x - 1 52⁄113y = −24 93⁄113 >> New Equation

_____________________

61⁄113y = −1 93⁄113

______ ________

61⁄113 61⁄113

[tex]-3\frac{23}{61} = y[/tex] [Plug this back into both equations above to get the x-coordinate of 33⁄61]; [tex]\frac{33}{61} = x[/tex]

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