document.write( "Question 823892:
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Algebra.Com's Answer #495904 by Edwin McCravy(20054)\"\" \"About 
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document.write( "2a - [4b - {4a - (3b - 2a + 2b)}]\r\n" );
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document.write( "We remove the vinculum which causes the \"+ 2b\" to become \"- 2b\":\r\n" );
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document.write( "2a - [4b - {4a - (3b - 2a - 2b)}] \r\n" );
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document.write( "We combine like terms inside the parentheses:\r\n" );
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document.write( "2a - [4b - {4a - (b - 2a)}]\r\n" );
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document.write( "We remove the parentheses, causing the \"- 2a\" to become \"+ 2a\"\r\n" );
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document.write( "2a - [4b - {4a - b + 2a}]\r\n" );
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document.write( "We combine like terms inside the braces:\r\n" );
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document.write( "2a - [4b - {6a - b}]\r\n" );
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document.write( "We remove the braces, causing the \"- b\" to become \"+ b\"\r\n" );
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document.write( "2a - [4b - 6a + b]\r\n" );
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document.write( "We combine like terms inside the brackets:\r\n" );
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document.write( "2a - [5b - 6a]\r\n" );
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document.write( "We remove the brackets, causing the \"- 6a\" to become \"+ 6a\":\r\n" );
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document.write( "2a - 5b + 6a\r\n" );
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document.write( "We combine like terms:\r\n" );
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document.write( "8a - 5b\r\n" );
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document.write( "Edwin
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