Algebra Examples

$f (4) = \frac{4 + 12}{2 (4) - 1}$

Step 1

Add $4$ and $12$ .

$f (4) = \frac{16}{2 (4) - 1}$

Step 2

Simplify the denominator.

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Step 2.1

Multiply $2$ by $4$ .

$f (4) = \frac{16}{8 - 1}$

Step 2.2

Subtract $1$ from $8$ .

$f (4) = \frac{16}{7}$

$f (4) = \frac{16}{7}$

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