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

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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