| k-9 | > -4
just need help.
2 answers:
Answer:
Step-by-step explanation:
K-9 > -4
Bcc of abs vAlue
K+9 > -4
-9
K = -13
| k - 9 | > -4
i.e. ,
(k-9) > -4 | -(k - 9) > -4
k - 9 > -4 | -k + 9 > -4
k > 9 - 4 | -k > -9-4
k> 5 | -k > -13 or k < 13
.°. 5 < k < 13
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