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Sonbull [250]
3 years ago
7

How many solutions does this problem have x-3y=-1,-x-3y=1

Mathematics
1 answer:
Sloan [31]3 years ago
4 0
X - 3y = -1
-x - 3y = 1
---------------add
6y = 0
y = 0

x - 3y = -1
x - 3(0) = -1
x = -1

one solution...and that is (-1,0)
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