$\"\"$

The equation is $\"\"$ .

Solve the eqation.

$\"\"$ (Original equation)

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

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

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

$\"\"$

Check the solution by substituting $\"\"$ -value in the equation.

$\"\"$ (Original equation)

$\"\"$ (Substitute $\"\"$ in the equation)

$\"\"$ (Simplify)

Therefore,the equation is satified at $\"\"$ .

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

$\"\"$

The value of $\"\"$ is $\"\"$ .