document.write( "Question 1210350: What plus -1 equals -20
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Algebra.Com's Answer #851985 by AnlytcPhil(1807)\"\" \"About 
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document.write( "What plus -1 equals -20?\r\n" );
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document.write( "Let the answer be x:\r\n" );
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document.write( "x + (-1) = -20\r\n" );
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document.write( "Add (+1) to both sides of the equation):\r\n" );
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document.write( "x + (-1) + (+1) = -20 + (+1)\r\n" );
document.write( "              x = -20 + 1\r\n" );
document.write( "              x = -19\r\n" );
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document.write( "The answer is -19.\r\n" );
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document.write( "Edwin
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