$\"\"$

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The equations are

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$\"\"$ Equation (1)

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$\"\"$ Equation (2)

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Solve the second equation for x in terms of y.

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Divide each side by 7.

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in Equation (1).

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$\"\"$

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$\"\"$

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$\"\"$

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

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$\"\"$

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$\"\"$

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Subtract 8 from each side.

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$\"\"$

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$\"\"$

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$\"\"$

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Divide each side by 34.

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in equation in equation $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The solution is $\"\"$ .