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Linear Systems
medium
0:00.0
If
x
+
y
=
57
x+y=57
x
+
y
=
57
and
2
x
+
2
y
=
114
2x+2y=114
2
x
+
2
y
=
114
, how many solutions?
A
1
B
0
C
2
D
Infinite
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