Algebra Examples

$f (x) = 3 - x$ at $x = 2$

Step 1

Replace the variable $x$ with $2$ in the expression.

$f (2) = 3 - (2)$

Step 2

Simplify the result.

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Step 2.1

Multiply $- 1$ by $2$ .

$f (2) = 3 - 2$

Step 2.2

Subtract $2$ from $3$ .

$f (2) = 1$

Step 2.3

The final answer is $1$ .

$1$

Step 3