document.write( "Question 471432: Two Angles are supplementary. One angle is 20 degrees less than 4 times the other. Find the measures of the angles... Thank u so much :DDD \n" ); document.write( "
Algebra.Com's Answer #323328 by Edwin McCravy(20056)\"\" \"About 
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Two Angles are supplementary. One angle is 20 degrees less than 4 times the other. Find the measures of the angles...
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document.write( "Let the other angle be x.\r\n" );
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document.write( "Other angle = x\r\n" );
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\n" ); document.write( ">>...One angle is 20 degrees less than 4 times the other...<<
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document.write( "Replace the words \"the other\" by \"x\"\r\n" );
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\n" ); document.write( ">>...One angle is 20 degrees less than 4 times x...<<
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document.write( "Replace the words \"4 times x\" by \"4x\"\r\n" );
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\n" ); document.write( ">>...One angle is 20 degrees less than 4x...<<
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document.write( "The words \"20 degrees less than\" before \"4x\" tells us that we\r\n" );
document.write( "are to start with 4x and make it 20 degrees less.  To make it\r\n" );
document.write( "less means to subtract from it.  So we are to make 4x less by\r\n" );
document.write( "subtracting 20 from it. \r\n" );
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document.write( "So replace the words \"20 degrees less than 4x\" by \"4x-20\".\r\n" );
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\n" ); document.write( ">>...One angle is 4x-20...<<
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document.write( "Replace the word \"is\" by \"=\"\r\n" );
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\n" ); document.write( ">>...One angle = 4x-20...<<
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document.write( "Now we have\r\n" );
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\n" ); document.write( ">>...One angle = 4x-20...<<
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document.write( "and\r\n" );
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document.write( "Other angle = x\r\n" );
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\n" ); document.write( ">>...Two Angles are supplementary...<<<
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document.write( "That means\r\n" );
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document.write( "(4x-20) + x = 180\r\n" );
document.write( "4x - 20 + x = 180\r\n" );
document.write( "    5x - 20 = 180\r\n" );
document.write( "         5x = 200\r\n" );
document.write( "          x = 40\r\n" );
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document.write( "So One angle = 4x-20 = 4(40)-20 = 160-20 = 140°\r\n" );
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document.write( "and\r\n" );
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document.write( "\"the other angle\" = x = 40° \r\n" );
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document.write( "Edwin
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