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x-2/3+4< -2 - x+4/2
x -2/3 + 4 < -2 - x + 4/2 -----> x 6
6x - 4 + 24 < -12 -6x + 12
6x + 6x < -12 + 12 + 4 - 24
12x < -20
x < -20/12
x < -5/3
jawaban soal nomer 2
2x-3/5< 12+x/2 ----------> x 10
20x - 6 < 120 + 5x
20x -5x < 120 + 6
15x < 126
x < 126/15 sama-sama : 3
x < 42/5
jawaban soal nomer 3
3/2x - 3> 2x-5 ---------> x 2
3x - 6 > 4x -10
3x -4x > -10 + 6
-x > -4
x < 4