Algebra Examples

$a_{n} = 4 n - 7$

Step 1

Substitute in the value of $n$ to find the $n$ th term.

$a_{3} = 4 (3) - 7$

Step 2

Multiply $4$ by $3$ .

$a_{3} = 12 - 7$

Step 3

Subtract $7$ from $12$ .

$a_{3} = 5$

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