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Equations & Systems
easy
0:00.0
If
2
x
+
y
=
10
2x + y = 10
2
x
+
y
=
10
and
x
=
3
x = 3
x
=
3
, find
y
y
y
.
A
2
2
2
B
4
4
4
C
6
6
6
D
8
8
8
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