Jawabanmu

2014-08-05T17:46:21+07:00
8x+3y+4 - (3x-5y-2) = 8x - 3x + 3y + 5y + 4 + 2 = 5x +8y + 6
2014-08-05T17:48:51+07:00
8x+3y+4-3x-5y-2 = 8x-3x+3y-5y+4-2 = 5x-2y+2