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-5x +3x >= -8 - 4
-2x >= -12
x >= -12/-2
x <= 6
jawabannya B
Metode tukar ruas.
-5x+3x ≥ -8 - 4
-2x ≥ -12
Dengan dibagi -2, tanda dibalik.
x ≤ -12/-2
x ≤ 6 [B]