tolong aku yah, pliss |x+5| ≤ |1-9x|
Matematika
Anggihkmhp
Pertanyaan
tolong aku yah, pliss |x+5| ≤ |1-9x|
1 Jawaban
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1. Jawaban jakarta2397
x+5 <= 1-9x
x+9x <= 1-5
10x <= -4
x <= -4/10
x <= -2/5
dan
x+5 >= -(1-9x)
x+5 >= -1+9x
x-9x >= -1-5
-8x >= -6
x >= -6/-8
x >= 6/8
x >= 3/8
hp= { -2/5 >= x >= 3/8 }