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24-08-2021
Mathematics

contestada

-8<8-4r<8
Solve the compound inequality

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wegnerkolmp2741o wegnerkolmp2741o

24-08-2021

Answer:

0<r<4

Step-by-step explanation:

-8<8-4r<8

Subtract 8 from each side

-8-8<8-4r-8<8-8

-16<-4r<0

Divide by -4, remembering to flip the inequality

-16/-4>-4r/-4>0/-4

4>r>0

Rewriting

0<r<4

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