Jawabanmu

2014-02-16T19:54:58+07:00
C + R + F=158,
x + 4x/5 + 9/5 (x+32) =158
5x/5 + 4x/5 + 9x/5 + 57,6
18x/5 = 158-57,6
18x = 502
x= 27,88889

Celcius = 27,8889
Reamur = 22,3112
Farenhait = 107,8

2014-02-16T20:06:25+07:00
F:63'
C:35'
R:7'....................................................