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Chapter 3: Q. 18 (page 315)

In the following exercises, solve each number word

The difference of a number and eight is four. Find the number.

Short Answer

Expert verified

The number is 12.

Step by step solution

01

Step 1. Given Information  

We are given that the difference of a number and eight is four.

We have to find the number.

02

Step 2. Forming the equation  

Let the number bex,

So, the equation will be,

x-8=4

03

Step 3. Solving the equation  

Adding 8on both sides, we get

x-8=4x=4+8x=12

Hence, the number is12.

04

Step 4. Checking the solution  

Putting the value of xin the equation, we get

x-8=412-8=44=4LHS=RHS

Hence the solution is correct.

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