-4≤3x+2<5
(seluruh ruas dikurang 2)
= -6≤3x<3
(seluruh ruas dibagi 3)
= -2≤x<1
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-4≤3x+2<5
(seluruh ruas dikurang 2)
= -6≤3x<3
(seluruh ruas dibagi 3)
= -2≤x<1