The greatest common factor (GCF) of 20x - 4 can be found by factoring out the common factor from both terms. In this case, the common factor is 4, so we can rewrite the expression as:
20x - 4 = 4(5x - 1)
The GCF of 20x - 4 is 4.
Find the GCF of 20x - 4
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