help

0=9/5c+32     subtract 32 from both sides

-32 = (9/5)C    multiply both sides by 5/9

(5/9)(-32)  = C  = about -17.77

0=9/5c+32

(c-32) / (9/5)

(c-32) X (5/9)

(c -160) /9=0

c=-160/9 F.