Pre-Algebra Examples

$a + 18 < 40$

Step 1

Subtract $18$ from both sides of the inequality.

$a < 40 - 18$

Step 2

Subtract $18$ from $40$ .

$a < 22$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$a < 22$

Interval Notation:

$(- \infty, 22)$

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