katebrose katebrose

05-09-2019
Mathematics

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i need help with number 21 please thank you

i need help with number 21 please thank you class=

Respuesta :

meredith48034 meredith48034

05-09-2019

Answer:

21. |x - 5| < 20

x - 5 < 20

x < 25

-(x - 5) < 20

-x + 5 < 20

-x < 15

x > -15

22. |x + 4| > 13

x + 4 > 13

x > 9

-(x + 4) > 13

-x - 4 > 13

-x > 17

x < -17 or x > 9

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