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biar gampang, pecahannya diilangi dulu, cara nya semua ruas dikali 12
4 ( 4x + 2 ) + 6 ( 2x + 1 ) = 3 ( x + 3)
16 x + 8 + 12 x + 6 = 3x + 9
16 x + 12 x - 3x = 9 - 8 - 6
25 x = -5
x = -5