Jawabanmu

2014-06-02T16:37:14+07:00
Qlepas=Qterima
m1x(T1-T)=m2x(T-T2)
5x(26-T)=2x(T-5)
130-5T=2T-10
130+10=2T+5T
140=7T
20°C=T