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Linear Systems
easy
0:00.0
If
x
+
y
=
64
x+y=64
x
+
y
=
64
and
x
−
y
=
64
x-y=64
x
−
y
=
64
, what is
x
x
x
?
A
32
32
32
B
0
0
0
C
128
128
128
D
64
64
64
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