Jawabanmu

2014-09-10T09:04:14+07:00
12 + (2*4x) (2*-3) = 12 + 8x - 6 = 8x+6
2014-09-10T09:04:16+07:00
12 + 2( 4x - 3 ) =
12 + 8x - 6 =
8x + 12 - 6 =
8x + 6


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