# How do you write an inequality and solve given "a number decreased by 8 is less than 21"?

##### 1 Answer

Jan 25, 2017

#### Answer:

See the entire solution process below:

#### Explanation:

First, write the inequality.

Let's call the number we will be solving for

Therefore "a number decreased by 8" can be written as:

"is less than 21" can be written as:

Putting this altogether gives:

To solve for