SOLUTION: K/3 + 3 = 8

Question 293745: K/3 + 3 = 8
Found 2 solutions by alex224, richwmiller:
Answer by alex224(8) (Show Source): You can put this solution on YOUR website!
k/3+3=8
the first thing that needs to be done is to get a common denominator
the common denominator is 3 because of k/3 so 3 and 8 need to be changed and to do that you need to multiply them by 3/3
k/3+3*3/3=8*3/3

when you do this you get

k/3+9/3=24/3

next you subtract like terms
k/3=24/3-9/3
k/3=15/3

last you cross multiply and come up with
3k=45

then you devide both sides by 9
the final answer is k=15

then you need to check
15/3+9/3=8
24/3=8
8=8
the check worked so the answer is correct

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
subtract 3 from both sides
k/3=5
multiply by 3
k=15
The other tutor made several errors in multiplying.
apparently the other tutor corrected most of his math
but he still left
3k=45
then you devide (sic) both sides by 9
[Why would you divide both sides by 9?]
At one point he had
k/3=15/3
just multiply both sides by 3 and he is done.

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