Algebra Demystified 2nd Ed

(Marvins-Underground-K-12) #1

334 algebra De mystif ieD


2.

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3.


-≤ -≤
+++
≤≤
≤≤

≤≤  

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  1. -<-+<












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<- <-

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<- +≤
<- +≤
---
<- ≤





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()x
x

x
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->≥- -≤<- -  ,




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