document.write( "Question 527444: The sum of 8 and a certain number is equal to the product of the number and 3. find the number \n" ); document.write( "
Algebra.Com's Answer #348901 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Here it is step by step:\r\n" );
document.write( "

\n" ); document.write( "The sum of 8 and a certain number is equal to the product of the number and 3.
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document.write( "Replace the words \"a certain number\" and \"the number\" by N.  Then\r\n" );
document.write( "the sentence becomes:\r\n" );
document.write( "

\n" ); document.write( "The sum of 8 and N is equal to the product of N and 3.
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document.write( "Replace the words \"The sum of 8 and N\" by 8+N.  Then\r\n" );
document.write( "the sentence becomes:\r\n" );
document.write( "

\n" ); document.write( "8+N is equal to the product of N and 3.
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\r\n" );
document.write( "Replace the words \" the product of N and 3\" by N×3.  Then\r\n" );
document.write( "the sentence becomes:\r\n" );
document.write( "

\n" ); document.write( "8+N is equal to N×3.
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document.write( "Replace the words \"is equal to\" by the symbol =, an equal sign.\r\n" );
document.write( "Then the sentence becomes:\r\n" );
document.write( "

\n" ); document.write( "8+N = N×3
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document.write( "To avoid the × sign for multiplication we use the commutative principle\r\n" );
document.write( "and replace N×3 by 3N.  Then the sentence becomes:\r\n" );
document.write( "

\n" ); document.write( "8+N = 3N
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document.write( "Then we subtract N from both sides and get\r\n" );
document.write( "

\n" ); document.write( "8 = 2N
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document.write( "Then we divide both sides by 2 and get:\r\n" );
document.write( "

\n" ); document.write( "4 = N
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document.write( "So the number is 4.\r\n" );
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document.write( "Edwin
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