SOLUTION: Solve each proportion and then check. x/12-x = 5/15 Help me please, I am so stuck!

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Question 350183: Solve each proportion and then check.
x/12-x = 5/15
Help me please, I am so stuck!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x%2F%2812-x%29+=+5%2F15
15x=5%2812-x%29
15x=60-5x
Now solve for x.