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2/3(x+2) < 3/5(2x+3) Ix15I
30/3(15x+30) < 45/5(30x+45)
10(15x+30) < 9(30x+45)
150x+300 < 270x+405
150x-405x+300 < 270
-245x+300 < 270
-245x < 270-300
-245x < -30
x < -30/-245
x < -6/-49
itu tandanya tidak kurang dari ya