$\"\"$

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The equations are $\"\"$ and $\"\"$ .

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Find $\"\"$ .

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$\"\"$ (Second equation)

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

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

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$\"\"$ (Multiply each side negative sign)

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Find $\"\"$ .

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$\"\"$ (First equation)

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$\"\"$ (Substitute $\"\"$ )

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

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$\"\"$ (Combine like terms)

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

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

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

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$\"\"$ (Cancel common terms)

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Find $\"\"$ .

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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Add simplified $\"\"$ and $\"\"$ values.

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$\"\"$

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

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$\"\"$

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Option A is right choice.