$\"\"$

The equation is $\"\"$ .

Since the standard form of linear function is $\"\"$ .

Solve the eqaution.

$\"\"$ (Original equation)

$\"\"$ (Add $\"\"$ to each side)

$\"\"$ (Apply additive inverse property: $\"\"$ )

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Cancel common terms)

$\"\"$ (Rewrite the equation)

The function is a linear function.

Where, $\"\"$ and $\"\"$ . $\"\"$

Yes.

The function can be written as $\"\"$ .