$\"\"$

The equation is $\"\"$

Solve the eqation.

$\"\"$ (Original equation)

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

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

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

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

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

$\"\"$ (Cancel common terms)

Therefore,the value of $\"\"$ is $\"\"$ .

Option (C) is right choice.

$\"\"$

Option(C) is right choice.