document.write( "Question 82949: Evaluate 4x - y if x=3 and y=-2 \n" ); document.write( "
Algebra.Com's Answer #59532 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Evaluate 4x - y if x=3 and y=-2\r\n" );
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document.write( "What you do is to start writing the expression \r\n" );
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document.write( "            4x - y\r\n" );
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document.write( "character by character, except when you\r\n" );
document.write( "come to the letter x, you don't write x, \r\n" );
document.write( "but instead write (3) in parentheses.  \r\n" );
document.write( "And when you come to the letter y, you \r\n" );
document.write( "don't write y, but instead write (-2).\r\n" );
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document.write( "So what you have when you do that is\r\n" );
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document.write( "         4(3) - (-2)\r\n" );
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document.write( "Now you change the 4(3) to 12, so you have on \r\n" );
document.write( "the next line:\r\n" );
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document.write( "          12 - (-2)\r\n" );
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document.write( "Then you have the subtraction of a negative two.\r\n" );
document.write( "So you change this to an addition, and write on the\r\n" );
document.write( "next line:\r\n" );
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document.write( "            12 + 2\r\n" );
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document.write( "Then you add those and get\r\n" );
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document.write( "             14\r\n" );
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document.write( "as your final answer.\r\n" );
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document.write( "So the lines on your paper should look like this:\r\n" );
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document.write( "            4x - y\r\n" );
document.write( "            4(3) - (-2)\r\n" );
document.write( "            12 - (-2)\r\n" );
document.write( "            12 + 2\r\n" );
document.write( "            14\r\n" );
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document.write( "Edwin
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