Algebra Examples

$9 x - 7 i > 9 x - 21 u$

Step 1

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

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Step 1.1

Subtract $9 x$ from both sides of the inequality.

$9 x - 7 i - 9 x > - 21 u$

Step 1.2

Combine the opposite terms in $9 x - 7 i - 9 x$ .

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Step 1.2.1

Subtract $9 x$ from $9 x$ .

$0 - 7 i > - 21 u$

Step 1.2.2

Subtract $7 i$ from $0$ .

$- 7 i > - 21 u$

Step 2

The variable $x$ got canceled.

All real numbers

Step 3

The result can be shown in multiple forms.

All real numbers

Interval Notation:

$(- \infty, \infty)$