Question 751150
{{{F=9/5*C+32}}}

You are trying to get C by itself.  Basically, you undo everything that is happening on the side with C in the reverse order of operations.

{{{F=9/5*C+32}}}

Subtract 32 from both sides:

{{{F-32=9/5*C}}}

Now multiply both sides by 5/9:

{{{5/9*(F-32)=C}}}