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Foundations
easy
0:00.0
Evaluate
1
2
x
−
1
3
y
\frac{1}{2}x - \frac{1}{3}y
2
1
x
−
3
1
y
when
x
=
6
x = 6
x
=
6
and
y
=
9
y = 9
y
=
9
.
A
0
B
6
C
−
3
-3
−
3
D
3
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