Precalculus Examples

$x - 8 > 1$

Step 1

Move all terms not containing $x$ to the right side of the inequality.

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Step 1.1

Add $8$ to both sides of the inequality.

$x > 1 + 8$

Step 1.2

Add $1$ and $8$ .

$x > 9$

Step 2

Convert the inequality to interval notation.

$(9, \infty)$

Step 3

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