Hi

the principle of isolating the variable is the same in both examples.

 c/7 = 9  |to isolate c in this case, one needs to multiply both sides of EQ by 7

   c = 63 

Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
 


You multiply both sides by .  Since  and 
are the same I'll use  on the left side and  on
the right



Now cancel the 7's on the left, and multiply 9*7 on the right.


 
And you end up with



Edwin
 

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