$\"\"$

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The equations are

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$\"\"$ (Equation 1)

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$\"\"$ (Equation 2)

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Since $\"\"$ , substitute $\"\"$ for y in the second equation.

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$\"\"$ (Equation 2)

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$\"\"$ (Replace $\"\"$ ) $\"\"$

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Distribute terms using distributive property: $\"\"$ .

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$\"\"$

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$\"\"$ (Multiply: $\"\"$ )

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Apply commutative property of addition: $\"\"$ .

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$\"\"$

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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Apply subtraction property of equality: Subtract 6 from each side.

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$\"\"$

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

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

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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Now Substitute $\"\"$ for y in either equation to find the value of x.

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$\"\"$ (Equation 1)

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$\"\"$ (Replace y by $\"\"$ )

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$\"\"$ (Add: $\"\"$ )

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The solution is $\"\"$ $\"\"$

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The solution is $\"\"$ .