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Chapter 3: Q. 28 (page 316)

In the following exercises, solve each number word problem.

The sum of two numbers is 27. One number is seven less than the other. Find the numbers.

Short Answer

Expert verified

The number is .

Step by step solution

01

Step 1. Given Information  

We are given that the .

We have to find the number.

02

Step 2. Forming the equation  

Let the number bex,

So, the equation will be,

03

Step 3. Solving the equation 

Subtracting from both sides, we get

Dividing by ,

Hence, the number is .

04

Step 4. Checking the solution  

Putting the value of xin the equation, we get

x+8=124+8=1212=12LHS=RHS

Hence the solution is correct.

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