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Dit = Him Bilangan Bulat
3X + 13 = 5 - X
<=> 3X + 13 = 5 - X <=> 4X = -8
<=> 3X + 13 - 13 = 5 - X - 13 <=> 4X / 4 = -8 / 4
<=> X = -2
<=> 3X = -8 - X
<=> 3X + X = -8 - X + X
Jadi Himpunan penyelesaiannya adalah { -2}
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