Niisan
Niisan Niisan
  • 28-02-2016
  • Mathematics
contestada

Use The elimination method


a). 2x + 3y = 5
-3 + 2y = -14

b). 2x + y =6
3x + 5y = 16

Respuesta :

Angelz1n7he5ky
Angelz1n7he5ky Angelz1n7he5ky
  • 28-02-2016
a)   2x + 3y = 5-3 + 5y = 16
 -5y                                  -5y

= 2x + -2y = 5-3 =16
+3                         +3

= 2x + -2y = 8 = 16
-16                         -16

= 3x + -2y = -8



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