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Linear Systems
medium
0:00.0
If
x
+
y
=
56
x+y=56
x
+
y
=
56
and
2
x
+
2
y
=
112
2x+2y=112
2
x
+
2
y
=
112
, how many solutions?
A
0
B
2
C
Infinite
D
1
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