$\"\"$

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Let x is the second angle in the triangle.

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The word $\"\"$ $\"\"$ more than the second angle x $\"\"$ represents $\"\"$ .

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The first angle is $\"\"$ .

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The word $\"\"$ twice the sum of the first two angles $\"\"$ $\"\"$ represents $\"\"$ .

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The third angle is $\"\"$ . $\"\"$

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In a triangle, the total of three angles is $\"\"$ .

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$\"\"$

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Group like terms.

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$\"\"$

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Combine like terms.

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$\"\"$ $\"\"$

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Apply subtraction property of equality: If $\"\"$ then $\"\"$ .

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Subtract $\"\"$ from each side.

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$\"\"$

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$\"\"$

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$\"\"$ . $\"\"$

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Apply division property of equality: If $\"\"$ then $\"\"$ .

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Divide each side by 6.

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$\"\"$

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Cancel common terms.

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$\"\"$ .

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The remaining angles are $\"\"$ and $\"\"$ . $\"\"$

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The measurements of triangle are $\"\"$ .