himpunan penyelesaian dari | x+7 | <_ 5 adalah
Sifat,
|x| a ≤ ⇔ -a ≤ x ≤ a
|x + 7| ≤ 5
x + 7 ≤ 5
-5 ≤ x + 7 ≤ 5
-5 - 7 ≤ x ≤ 5 - 7
-12 ≤ x ≤ -2
HP = {-12 ≤ x ≤ -2}
[answer.2.content]Sifat,
|x| a ≤ ⇔ -a ≤ x ≤ a
|x + 7| ≤ 5
x + 7 ≤ 5
-5 ≤ x + 7 ≤ 5
-5 - 7 ≤ x ≤ 5 - 7
-12 ≤ x ≤ -2
HP = {-12 ≤ x ≤ -2}
[answer.2.content]