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  • 24-01-2017
  • Mathematics
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x = 1 + y
3x - 6y = -12
a. (-2,-1)
b. (2,3)

Respuesta :

ZacMac
ZacMac ZacMac
  • 24-01-2017
3 (1 + x) - 6y = -12
3 + 3y - 6y = -12
-6y = -9
y = -1.5

x = 1 + (-1.5)
x = -0.5
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