$\"\"$

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From the figure $\"\"$ are corresponding angles.

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$\"\"$ (Corresponding angles postulate)

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$\"\"$ (Definition of congruent angles)

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$\"\"$ (Add 5 to each side)

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$\"\"$ (Subtract 3x from each side) $\"\"$

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From the figure $\"\"$ are corresponding angles.

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$\"\"$ (Corresponding angles postulate)

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$\"\"$ (Definition of congruent angles)

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$\"\"$ (Add 5 to each side)

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

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

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$\"\"$ (Subtract 6 from each side)

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$\"\"$ (Divide each side by 3) $\"\"$

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The value of $\"\"$ and $\"\"$ .