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If 10 be added to four times a certain number, the result is 5 less than five times the number. Find the number

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If 10 be added to four times a certain number, the result is 5 less than five times the number. Find the number

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Best answer

Let the number be x 

According to the question 

10 + 4x = 5x - 5 [ 10 is added to 4 times the number, 5 less than 5 times the number] 

By transposing 

⇒ 5x - 4x = 10 + 5 

⇒ x = 15 

So the number is 15

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