solve for c: f= 9/5 * c+ 32
f = (9/5)c + 32(9/5)c + 32 = f(9/5)c = f - 329c/5 = (f - 32)9c = 5(f - 32)c = 5(f - 32) / 9 or c = (5/9)(f - 32) I hope this explains it. Cheers.
