document.write( "Question 1121918: An angle measures 12 degrees less than three times its supplement. Find the measure of the angle. \n" ); document.write( "

Algebra.Com's Answer #737924 by ikleyn(52793) $\"\"$ $\"About$

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document.write( "Let x be the angle measure.\r\n" );
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document.write( "Then the supplement angle is 180 - x degrees.\r\n" );
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document.write( "The condition says\r\n" );
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document.write( "    x = 3*(180-x) - 12.\r\n" );
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document.write( "Simplify and solve for x.\r\n" );
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document.write( "    x = 540 -3x - 12\r\n" );
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document.write( "    4x = 528  ====>   x =  = 132 degrees.\r\n" );
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document.write( "Answer.  The angle is 132 degrees.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Angles basics \r
\n" ); document.write( "\n" ); document.write( "    - Vertical angles \r
\n" ); document.write( "\n" ); document.write( "    - HOW TO solve problems on supplementary, complementary or vertical angles - Examples\r
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