#### Answer

-10 degrees Celsius

#### Work Step by Step

Use the conversion formula F = $\frac{9}{5}$C + 32 and substitute the value 14 for F:
14 = $\frac{9}{5}$C + 32
Solve for C:
-18 = $\frac{9}{5}$C
($\frac{5}{9})(-18) = (\frac{9}{5}C)\frac{5}{9}$
-10 = C