Question

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

Short answer

The number is 12.

Step-by-step solution

Step 1. Given information

The difference of a number and eight is four.

Step 2. Forming and solving linear equation

Let the number be $x.$Then,

$$\begin{gathered} x-8=4 \\ x=4+8 \\ x=12 \end{gathered}$$