Jawabanmu

2014-02-16T16:33:06+07:00
3m-2/4=4m-3/5
3/5-2/4=4m-3m
(12-10)20 = m
2/20 = m
m = 1/20
2014-02-16T17:07:00+07:00
3m-2/4=4m-3/5-->dikali 20 agar tidak ada pecahannya 60m-10=80m-12 60m-80m=-12+10 -20m=-2 m= -2/-20 = 2/20 = 1/10