Jawabanmu

2014-08-10T15:14:04+07:00
Jawaban paling cerdas!
2014-08-10T15:35:58+07:00

15p + 18q - 17 - 12p - 7q + 6
= 15p - 12p + 18q - 7q -17 + 6
= 3p + 11q - 11
1 5 1