Chapter 3: Q. 16 (page 315)

In the following exercises, solve each number word problem.
The sum of a number and nine is $17$ . Find the number.

Short Answer

Expert verified

The number is $8$ .

Step by step solution

Step 1. Given Information

We are given that the sum of a number and nine is $17$ .

We have to find the number.

Step 2. Forming the equation

Let the number bex,

So, the equation will be,

$x + 9 = 17$

Step 3. Solving the equation

Subtracting $9$ from both sides, we get

$x + 9 = 17 x = 17 - 9 x = 8$

Hence, the number is $8$ .

Step 4. Checking the solution

Putting the value of xin the equation, we get

$x + 9 = 17 8 + 9 = 17 17 = 17 L H S = R H S$

Hence the solution is correct.

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In the following exercises, solve each number word problem.
The sum of a number and nine is $17$ . Find the number.

Short Answer

Step by step solution

Step 1. Given Information

Step 2. Forming the equation

Step 3. Solving the equation

Step 4. Checking the solution

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In the following exercises, solve each number word problem.The sum of a number and nine is 17. Find the number.

Short Answer

Step by step solution

Step 1. Given Information

Step 2. Forming the equation

Step 3. Solving the equation

Step 4. Checking the solution

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Discrete Mathematics

Calculus

Applied Mathematics

Theoretical and Mathematical Physics

Geometry

Logic and Functions

Study anywhere. Anytime. Across all devices.

In the following exercises, solve each number word problem.
The sum of a number and nine is $17$ . Find the number.