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Foundations
easy
0:00.0
Simplify the expression:
12
x
−
5
x
+
3
x
12x - 5x + 3x
12
x
−
5
x
+
3
x
.
A
7
x
7x
7
x
B
10
x
10x
10
x
C
20
x
20x
20
x
D
15
x
15x
15
x
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