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Linear Systems
hard
0:00.0
Solve
x
+
y
=
2
,
x
−
y
=
0
x+y=2, x-y=0
x
+
y
=
2
,
x
−
y
=
0
. What is
x
x
x
?
A
0
B
1
C
2
D
0.5
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