Algebra Examples

$- 7 + 6 (n - 1)$

Step 1

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

$a_{3} = - 7 + 6 ((3) - 1)$

Step 2

Simplify each term.

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Step 2.1

Subtract $1$ from $3$ .

$a_{3} = - 7 + 6 \cdot 2$

Step 2.2

Multiply $6$ by $2$ .

$a_{3} = - 7 + 12$

Step 3

Add $- 7$ and $12$ .

$a_{3} = 5$