lali03 lali03
  • 12-01-2017
  • Mathematics
contestada

I don't not understand this please help!!!!!

I dont not understand this please help class=

Respuesta :

jeniferb jeniferb
  • 12-01-2017
y= -2x-1

y=x+5.......... x =y-5


sub in the x value in the first equation

y=-2(y-5)-1

y=-2y+10-1

y+2y= 9

3y=9

y=3

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