document.write( "Question 24330: x-(4-x) \n" ); document.write( "
Algebra.Com's Answer #12952 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
                                                  x - (4 - x)\r\n" );
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document.write( "When there is an expression parentheses, and there is no number just before\r\n" );
document.write( "the parentheses, just a sign, then put a \"1\" befween the sign and the \"(\",\r\n" );
document.write( "like this:\r\n" );
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document.write( "                                                  x - 1(4 - x)\r\n" );
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document.write( "Now, remove the parentheses by using the distributive principle.  That is,\r\n" );
document.write( "multiply the -1 outside the parentheses by the 4 and also by the -x inside the\r\n" );
document.write( "parentheses:\r\n" );
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document.write( "                                                   x - 1·4 + x \r\n" );
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document.write( "(the + before the x is because -1 times -x is +x.\r\n" );
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document.write( "Replace 1·4 with 4\r\n" );
document.write( "                                                   x - 4 + x\r\n" );
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document.write( "Now put 1's before the x's\r\n" );
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document.write( "                                                  1x - 4 + 1x\r\n" );
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document.write( "Combine the first term, 1x, with the third term, \r\n" );
document.write( "which is also 1x, and get 2x.\r\n" );
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document.write( "                                                     2x - 4\r\n" );
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document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com
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