$\"\"$

The equation is $\"\"$ .

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

$\"\"$ (Cancel common terms) $\"\"$

$\"\"$ (Substrat $\"\"$ from each side)

$\"\"$ (Additive inverse property: $\"\"$ ) $\"\"$

Verify:

To check the solution, substitute $\"\"$ in original equation.

$\"\"$

$\"\"$ (Distributive property: $\"\"$ )

$\"\"$ (Cancel common terms)

$\"\"$ (Additive inverse property: $\"\"$ )

Compare the values, the equation is true.

$\"\"$

The value of $\"\"$ .