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1/3 × + 2/3 > 1/2 x - 1/2
1/3x -1/2x > -1/2 - 2/3
(2-3)×/6 > (-3-4)/6 (kedua ruas dikali 6)
-x > -7 ( kedua ruas dikali (-1))
x < 7 (karena dikali dengan bilangan negatif maka tanda berubah)
1x/3+2/3>1x/2-1/2
1x/3-1x/2>-2/3-1/2
2x-3x/6>-4-3/6
-1x/6>-7/6
x<-7/6 : -1/6
x<-7*6/6*(-1)
x<-42/-6
x<7
pilihan:d