Jawabanmu

2014-09-13T16:59:35+07:00
4a + 100a -5x + 13 + 10
104a -5x + 23
2014-09-13T18:20:09+07:00
= 4a-5x+100a+13+10
= 4a+100a-5x+13+10
=104a-5x+23.