Jawabanmu

2014-08-26T16:19:03+07:00
-12a-8b+24-6a+3b+1 tuh jawabannya :P :*
2014-08-26T16:22:01+07:00
=(-12a-8b+24)-(6a+10b+6)
=-12-6a-8b+10b+24-6
=-18a+2b+18