Penjelasan dengan langkah-langkah:
4 (x-3)< x + 3
4x - 12 < x + 3
4x - x < 3 +12
3x < 15
x < 5
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Penjelasan dengan langkah-langkah:
4 (x-3)< x + 3
4x - 12 < x + 3
4x - x < 3 +12
3x < 15
x < 5