milkpriest
milkpriest milkpriest
  • 15-02-2018
  • Mathematics
contestada

elimination using multiplication

x - y = -8
7x + 5y = 16

Respuesta :

cineusstanleyy cineusstanleyy
  • 15-02-2018
5x - 5y = - 40
7x + 5y = 16

2x = 24
x = 8

x - y = -8
8 - y = - 8
-y= - 16
y= 16

(8,16)
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