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Five less than 3 times a number is -20. Find the number.

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#### Solution

Let the required number = x

3 times the number = 3x

5 less than 3 times the number = 3x – 5

According to statement :

3x – 5 = -20

⇒ 3x = -20 + 5

⇒ 3x = -15

⇒ x = -5

Required number = -5

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