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13-04-2020
Mathematics

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Find a number such that the ratio of 3 times that number and 5 is equal to the difference between that number and 2.

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13-04-2020

Answer:

5

Step-by-step explanation:

let x represent the number

3x : 5 = x - 2

3x / 5 = x - 2

cross multiply

3x = 5 ( x - 2)

3x = 5x - 10

3x - 5x = -10

-2x = -10

Divide both sides by - 2

x = 5

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