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love history [14]
3 years ago
13

Simplify 21xyz Over 28yz

Mathematics
2 answers:
Vilka [71]3 years ago
3 0
21xyz/28yz=[(7yz)(3x)] / [(7yz)(4)]=3x/4

Answer: <span>21xyz/28yz=3x/4</span>
densk [106]3 years ago
3 0
21xyz / 28yz

The yz at the top cancels out the yz at the bottom

21x / 28

7 into 21 is 3, and 7 into 28 is 4

3x / 4

= 3x / 4.

I hope this helps.
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