$\"\"$

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The equation is $\"\"$ .

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$\"\"$ (Original equation)

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

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

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

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

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$\"\"$ (Simplify)

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

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$\"\"$ (Simplify)

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Check :

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$\"\"$ (Original equation)

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

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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Since the above statement is true, $\"\"$ is a solution of $\"\"$ .

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$\"\"$

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