Algebra Examples

$f (5) = 3 x + 2$

Step 1

Replace the variable $x$ with $5$ in the expression.

$f (5) = 3 (5) + 2$

Step 2

Simplify the result.

Tap for more steps...

Step 2.1

Multiply $3$ by $5$ .

$f (5) = 15 + 2$

Step 2.2

Add $15$ and $2$ .

$f (5) = 17$

Step 2.3

The final answer is $17$ .

$17$

Step 3