shacoriamatthew shacoriamatthew
  • 06-12-2017
  • Mathematics
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how do you solve x + y = 0 x - y + 2 = 0

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 06-12-2017
x+y=0
x = -y

-y-y+2=0
-2y=-2

y=1
x+1=0

x=-1

(-1,1)
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