We have the following:
1. F - 32 =9/5C
It's correct.
2. C = 9/5(F-32)
It's not correct.
3. 9/5C- F = 32
4. C=5/9(F-32)
5. F+9/5C + 32 = 0
The options corrects are F - 32 =9/5C and C=5/9(F-32)
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