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2/3x + 1/3 < 1/2x + 3/2
2/3x - 1/2x < 3/2 - 1/3
4/6x - 3/6x < 9/6 - 2/6
1/6 x < 7/6 <--- seluruhnya dikali 6
x < 7
x = (... 4,5 ,6) A