document.write( "Question 334559: how do you make \"three more than the sum of a number and four\" into and algebraic expressiom? \n" ); document.write( "
Algebra.Com's Answer #239749 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "[The other tutor apparently was in a hurry and mistakenly read your \r\n" );
document.write( "\"more than\" as \"times\"]\r\n" );
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document.write( "\"three more than the sum of a number and four\"\r\n" );
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document.write( "Change the red words \"a number\" to a letter of your choice, say, x, and we have:\r\n" );
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document.write( "\"three more than the sum of x and four\".\r\n" );
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document.write( "Next change the blue words the sum of x and four\" in: \r\n" );
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document.write( "\"three more than the sum of x and four\".\r\n" );
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document.write( "to (x + 4)\r\n" );
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document.write( "\"three more than (x + 4)\".\r\n" );
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document.write( "Now we see that the green words \"three more than\"\r\n" );
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document.write( "\"three more than (x + 4)\".\r\n" );
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document.write( "are on the LEFT in English.  However, in algebra, to make something 'more',\r\n" );
document.write( "we think of starting with the thing we are going to 'make more' and\r\n" );
document.write( "then make it more by adding to it on the RIGHT. So we not only switch the \r\n" );
document.write( "blue words to \"+ 3, but we also put it on the\r\n" );
document.write( "RIGHT side. So we end up with\r\n" );
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document.write( "(x + 4) + 3\r\n" );
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document.write( "Now you can simplify that by removing parentheses:\r\n" );
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document.write( "x + 4 + 3\r\n" );
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document.write( "and end up by adding the two number terms, getting\r\n" );
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document.write( "x + 7.\r\n" );
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document.write( "However your teacher may have wanted you to leave it unsimplified as\r\n" );
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document.write( "(x + 4) + 3.\r\n" );
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document.write( "Edwin
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