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# Can 20-x over 4-x be simplified further?

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- jcherry_99Lv 71 decade agoFavorite Answer
No. Try numbers

Let x = 7

20 - 7 = 13

4 - 7 = 3.

These do not reduce any further. If you try it like (5 - x)/-x

Almost no value will be the same as the beginning. For example x = 10

20 - x = 20 - 10 = 10

4 - x = 4 - 10 = -6

10/-6 = - 1 2/3

Now try your canellation

5 - 10 = - 5

- x = - 10

-5/-10 = 1/2

- 1 decade ago
Yep:) 20/4 (or 20 over 4) is the same as 20 divided by 4. That equals 5, so any division that equals 5 can be used XD 20/4 = 10/2 = 5/1. Just put for x's in:))

edit- where all reading this differently! Depends whether it's 20 - x ( 20 minus X) - then no! But if it's 20x then yea:)

Source(s): Hope thats what you meant! - Anonymous1 decade ago
Yes, 5x over 1 x

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