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All of the following are equivalent EXCEPT

A:X<-2

B: X-2<4

C: 2X<-4

D: X-2<-4

 Dec 15, 2016
edited by Guest  Dec 15, 2016
 #1
avatar+12531 
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A and C

 Dec 15, 2016
 #3
avatar+12531 
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A: x<-2

B: x-2<4   |+2

    x<6

C: 2x<-4  | :2

      x<-2

D: x-2<-4   |+2

     x<-2

A, C and D

Omi67  Dec 15, 2016
 #2
avatar+37084 
0

A and C  and D ARE equivalent     so    B is the exception

 Dec 15, 2016
edited by ElectricPavlov  Dec 15, 2016

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