Respostas

2013-07-17T14:09:06-03:00
Celsius (C) -> x
fahrenheit (F) -> 2x+2

C = (F − 32) / 1,8
x  = (2x+2-32)/1,8
1,8x = 2x-30
-0,2x = -30
x = -30/-0,2 = 150ºC