facelessbutler facelessbutler
  • 13-05-2014
  • Mathematics
Answered

I honestly have no idea how to solve this question
8c=5c+21

Answer :

MathG33k
MathG33k MathG33k
  • 13-05-2014
Remember this rule: Whenever you try to isolate the variable do the same operation to both sides
Using the rule above subtract 5c from both sides getting 3c = 21
Divide by 3 to both sides
Now you have c = 7
Thats you answer, if you have anymore questions just PM me
Answer Link
Cailyyn Cailyyn
  • 13-05-2014
Well, subtract 5c from both sides, so cross out 5c and do 8c-5c which is 3c. S 3c=21. 21 divided by 3 is 7. So c is. 7.
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