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Linear Systems
easy
0:00.0
Solve
x
+
y
=
5
x+y=5
x
+
y
=
5
and
x
−
y
=
1
x-y=1
x
−
y
=
1
. What is
y
y
y
?
A
1
1
1
B
2
2
2
C
3
3
3
D
4
4
4
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