Trigonometry Examples

$9 x - 5 < 8 x + 13$

Step 1

Move all terms containing $x$ to the left side of the inequality.

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Step 1.1

Subtract $8 x$ from both sides of the inequality.

$9 x - 5 - 8 x < 13$

Step 1.2

Subtract $8 x$ from $9 x$ .

$x - 5 < 13$

Step 2

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

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Step 2.1

Add $5$ to both sides of the inequality.

$x < 13 + 5$

Step 2.2

Add $13$ and $5$ .

$x < 18$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$x < 18$

Interval Notation:

$(- \infty, 18)$