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Foundations
easy
0:00.0
Simplify:
12
x
−
4
x
+
x
12x - 4x + x
12
x
−
4
x
+
x
A
8
x
8x
8
x
B
9
x
9x
9
x
C
7
x
7x
7
x
D
12
x
12x
12
x
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