Mathway

Visit Mathway on the web

Start 7-day free trial on the app

Start 7-day free trial on the app

Download free on Amazon

Download free in Windows Store

Take a photo of your math problem on the app

Pre-Algebra Examples

$9 < x + 7 < 10$

Step 1

Subtract $7$ from each section of the inequality because it does not contain the variable we are trying to solve for.

$9 - 7 < x < 10 - 7$

Step 2

Subtract $7$ from $9$ .

$2 < x < 10 - 7$

Step 3

Subtract $7$ from $10$ .

$2 < x < 3$

Step 4

The result can be shown in multiple forms.

Inequality Form:

$2 < x < 3$

Interval Notation:

$(2, 3)$

Step 5

Enter YOUR Problem

Mathway requires javascript and a modern browser.

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$