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The sum of two numbers is 25. The sun of twice the first plus seven times the other is 85. What are the numbers?
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25 votes
25 votes
The sum of two numbers is 25. The sun of twice the first plus seven times the other is 85. What are the numbers?

User Grandizer
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1 Answer

16 votes
16 votes
since sum of two numbers is 25, then second number is 25 -x

one number is twice the second number plus 7.

let 25 - x be "one number" and x be the "second number"

25 - x = 2x + 7

18 = 3x

x = 6

other number is 25 - 6 = 19
User Peng
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