help me pleaseeeeeeeeee
Matematika
khoirunnisa55
Pertanyaan
help me pleaseeeeeeeeee
1 Jawaban
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1. Jawaban nallsst
13). 2|17 - 3x| - 5 < 3
2|17 - 3x| < 8
|17 - 3x| < 4
a). |17 - 3x| < 4
17 - 3x < 4
13 < 3x
x > [tex]4 \frac{1}{3} [/tex]
b). |17 - 3x| > -4
17 - 3x > -4
21 > 3x
7 > x
HP = {x|[tex]4 \frac{1}{3} [/tex] < x < 7}
14). x = -1 ==> |5(-1) - 3| < 7
|-5 -3| < 7
|-8| < 7
8 < 7 (salah)
x = 0 ===> |5(0) - 3| < 7
|-3| < 7
3 < 7 (benar)
x = 1 ===> |5(1) - 3| < 7
|2| < 7
2 < 7 (benar)
jadi jawabnya 0 dan 1