Question

We have : Degree C=5F-160
what is the temperatur in celsius of the temperature is 86degree F.

Answer 1

C/5=(F-32)/9
=>C/5=(86-32)/9
=>C/5=54/9
=>C/5=6
=>C=6*5
=>C=30 degree

Answer 2

C=5/9(F-32)

F=86 F

then, C= 5/9(86-32)

=5/9X54

30 C.