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2x - 2x -4 > 3x+ 9
-4 > x + 9
-4 - 9 > x + 9 -9
-13 > x
B. < 3
semua dikalikan 2 menjadi
2y-7 < 6
2y - 7 + 7 < 6 + 7
2y < 13
2y : 2 < 13 : 2
y < 6,5