tolong jawabin soal ini
Matematika
sitaokta06
Pertanyaan
tolong jawabin soal ini
1 Jawaban
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1. Jawaban SadonoSukirno
(5x - 1)/(x + 2) ≥ 1
(5x-1)/(x+2) - 1 ≥ 0
(5x-1)/(x+2) - (x+2)/(x+2) ≥ 0
(5x - 1 - (x + 2)) / (x + 2) ≥ 0
(5x - 1 - x - 2) / (x + 2) ≥ 0
(4x - 3) / (x + 2) ≥ 0
buat garis bilangan di
4x - 3 = 0
4x = 3
x = ¾
x + 2 = 0
x = -2
+ + + + - - - - - - + + +
---------•---------•----------
````````` -2 ```````` ¾
x ≤ -2 atau x ≥ ¾
syarat x + 2 ≠ 0
x ≠ -2
maka hp x < -2 atau x ≥ ¾