SOLUTION: if 3 is subtracted from a number and the remainder is multiplied by 13,the product becomes 91.find the number
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Question 924042: if 3 is subtracted from a number and the remainder is multiplied by 13,the product becomes 91.find the number
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
x - 3 is the remainder when you subtract 3 from x.
13 * (x-3) = 91
simplify to get 13x - 39 = 91
add 39 to both sides of the equation to get 13x = 130
divide both sides of the eqaution by 13 to get x = 10
when x = 10, x-3 = 7
7 * 13 = 91
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