Five Less than 3 Times a Number is -20. Find the Number. - Mathematics

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Sum

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

Concept: Solving Linear Inequations
  Is there an error in this question or solution?
Chapter 14: Linear Equations in one Variable - Exercise 14 (B) [Page 169]

APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 14 Linear Equations in one Variable
Exercise 14 (B) | Q 4 | Page 169

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