$\"\"$

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

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$\"\"$ Equation (1)

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$\"\"$ Equation (2)

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

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Subtract 9 from each side.

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$\"\"$

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$\"\"$

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Divide each side by 11.

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in first equation.

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$\"\"$

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$\"\"$

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x = 1

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$\"\"$

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The solution is $\"\"$ .