SOLUTION: i multiply a certain number by 28,add 14 to the product,divide the sum by 13 and subtract 4 from the result.if i obtain twice the original number what number did i take at first

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Question 893377: i multiply a certain number by 28,add 14 to the product,divide the sum by 13 and subtract 4 from the result.if i obtain twice the original number what number did i take at first

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

Multiply both sides by





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