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The measure of an angle is 28 degrees less than its supplement. find each angle

User Bradvido
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1 Answer

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Supplementary angles measure 180°. Make an equation:

Subtract 28 to leave the variable in the parentheses alone:

Add the 2 x's together:

Your new equation is:

Divide both sides by 2 to leave the variable alone

The supplement measures 76°

User Maths Noob
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