F = [tex] \frac{9}{5} [/tex]c + 32 Subtract 32 from both sides
F - 32 = [tex] \frac{9}{5} [/tex]c Mutliply both sides by [tex] \frac{5}{9} [/tex] to cancel out the fraction
[tex] \frac{5}{9} [/tex]F - 17 [tex] \frac{7}{9} [/tex] = c Switch the sides to make it easier to read
c = [tex] \frac{5}{9} [/tex]F - 17 [tex] \frac{7}{9} [/tex]