daniellopez241
daniellopez241 daniellopez241
  • 09-11-2016
  • Mathematics
contestada

if x equals -1, then find the matching value for y
9x+2y=-5

help ASAP!!!!

Respuesta :

rickyg2000
rickyg2000 rickyg2000
  • 09-11-2016
the answer would be y = -7 because it'd be 9 x (-1) + 2y = 5 and then you'd subtract -9 from both sides and get 2y = -14 and then you'd divide by 2 on both sides 
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LostInTime145
LostInTime145 LostInTime145
  • 09-11-2016
9x+2y=-5
9*-1+2y=-5
-9*1+2y=-5
2y-9=-5
2y-9+5=-5+5
2(y-2)
y=2
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