Fifteen Less than 4 Times a Number is 9. Find the Number. - Mathematics

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Sum

Fifteen less than 4 times a number is 9. Find the number.

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Solution

Let the required number be x

4 times the number = 4x

15 less than 4 times the number = 4x-15

According to the statement :

4x – 15 = 9

⇒ 4x = 9 + 15

⇒ 4x = 24

⇒ x = 6

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 1 | Page 169

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