SOLUTION: How do you make 3, 15, 12, and 7 equal 30?

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Question 746457: How do you make 3, 15, 12, and 7 equal 30?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do you make 3, 15, 12, and 7 equal 30?
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3*(15 + 7 - 12) = 30