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Linear Systems
easy
0:00.0
If
2
x
+
2
y
=
10
2x + 2y = 10
2
x
+
2
y
=
10
, what is
x
+
y
x + y
x
+
y
?
A
20
20
20
B
10
10
10
C
5
5
5
D
2
2
2
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