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Linear Systems
easy
0:00.0
If
x
+
y
=
65
x+y=65
x
+
y
=
65
and
x
−
y
=
65
x-y=65
x
−
y
=
65
, what is
x
x
x
?
A
32.5
32.5
32.5
B
65
65
65
C
0
0
0
D
130
130
130
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