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When the greater of the two numbers increased by 1divides the sum of the numbers, the result is 32. When the difference of these numbers is divided by the smaller, the result 12. Find the numbers. - Mathematics

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Question

When the greater of the two numbers increased by 1divides the sum of the numbers, the result is `3/2`. When the difference of these numbers is divided by the smaller, the result `1/2`. Find the numbers.

Sum
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Solution

Let the greater number = x, and the smaller number = y.

`(x+y)/(x+1) = 3/2`

2(x + y) = 3(x + 1)

2x + 2y = 3x + 3

2y = x + 3

x = 2y − 3     ...(1)

`(x-y)/y = 1/2`

2(x − y) = y

2x − 2y = y

2x = 3y

`x = 3/2y`     ...(2)

`2y - 3 = 3/2y`

4y − 6 = 3y

y = 6

`x = 3/2 xx 6 = 9`

9 and 6

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Chapter 6: Simultaneous (Linear) Equations (Including Problems) - Exercise 6 (E) [Page 90]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 6 Simultaneous (Linear) Equations (Including Problems)
Exercise 6 (E) | Q 3 | Page 90
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