Chapter 3: Q.1 (page 166)

What is the value of $9 - x$ when $x = 5$ ?
$\begin{array}{l} A . 1 \\ B . 4 \\ C . 14 \\ D . 45 \end{array}$

Short Answer

Expert verified

The correct solution for this question is B ( $4$ ).

Step by step solution

Step 1. Apply the concept of putting the given value of x

In this, simply use the concept of putting the given value of x in the equation to get the correct answer.

Step 2. Find the solution of the equation

Here,

$9 - x = ?$

simply put the value of x in the above equation

$(put x = 5)$

$9 - 5 = 4$

Step 3. Eliminating the options to get correct one

A. 1 It is the incorrect option because by taking $1$ , the result is $9 - 5 \neq 1$

B. 4 It is the correct option because by taking, the result is $9 - 5 = 4$ which is absolutely correct.

C. 14 It is the incorrect option because by taking $14$ , the result is $9 - 5 \neq 14$

D. 45 It is the incorrect option because by taking $45$ , the result is $9 - 5 \neq 45$

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What is the value of $9 - x$ when $x = 5$ ?
$\begin{array}{l} A . 1 \\ B . 4 \\ C . 14 \\ D . 45 \end{array}$

Short Answer

Step by step solution

Step 1. Apply the concept of putting the given value of x

Step 2. Find the solution of the equation

Step 3. Eliminating the options to get correct one

One App. One Place for Learning.

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What is the value of 9-xwhen x=5?A.1B.4C.14D.45

Short Answer

Step by step solution

Step 1. Apply the concept of putting the given value of x

Step 2. Find the solution of the equation

Step 3. Eliminating the options to get correct one

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Probability and Statistics

Decision Maths

Applied Mathematics

Discrete Mathematics

Theoretical and Mathematical Physics

Logic and Functions

Study anywhere. Anytime. Across all devices.

What is the value of $9 - x$ when $x = 5$ ?
$\begin{array}{l} A . 1 \\ B . 4 \\ C . 14 \\ D . 45 \end{array}$