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Linear Systems
hard
0:00.0
Find
x
x
x
in
x
+
2
y
=
10
,
2
x
+
y
=
11
x+2y=10, 2x+y=11
x
+
2
y
=
10
,
2
x
+
y
=
11
.
A
4
4
4
B
3
3
3
C
5
5
5
D
2
2
2
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