Trigonometry Examples

$\frac{f}{2} - 22 < 48$

Step 1

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

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Step 1.1

Add $22$ to both sides of the inequality.

$\frac{f}{2} < 48 + 22$

Step 1.2

Add $48$ and $22$ .

$\frac{f}{2} < 70$

Step 2

Multiply both sides by $2$ .

$\frac{f}{2} \cdot 2 < 70 \cdot 2$

Step 3

Simplify.

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Step 3.1

Simplify the left side.

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Step 3.1.1

Cancel the common factor of $2$ .

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Step 3.1.1.1

Cancel the common factor.

$\frac{f}{2} \cdot 2 < 70 \cdot 2$

Step 3.1.1.2

Rewrite the expression.

$f < 70 \cdot 2$

Step 3.2

Simplify the right side.

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Step 3.2.1

Multiply $70$ by $2$ .

$f < 140$

Step 4

The result can be shown in multiple forms.

Inequality Form:

$f < 140$

Interval Notation:

$(- \infty, 140)$