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Mathematics

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

Linear Eqns One Variable

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Answer

Let the number be x.

So,

⇒ 3x - 5 = - 20

⇒ 3x = - 20 + 5

⇒ 3x = - 15

⇒ x = - 153\dfrac{15}{3}

⇒ x = - 5

Hence, the number is - 5.

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