document.write( "Question 414691: The second of three numbers is 8 more than twice the first. The third number is twelve less than the first. The sum of the number is 108. Find the numbers\r
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document.write( "work so far--> 2n+8+n-12=108
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document.write( " 3n+8-12=108 added the n's
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document.write( " 3n+8=120 added 12
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document.write( " 3n=112 subtracted 8
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document.write( " when I divided 112/3 I get an irrational number and dont know what to do after \n" );
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Algebra.Com's Answer #290872 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! The second of three numbers is 8 more than twice the first. The third number is twelve less than the first. The sum of the number is 108. Find the numbers \n" ); document.write( "work so far--> 2n+8+n-12=108<-----------------*you forgot to add \"n\" the 1st number* \n" ); document.write( "3n+8-12=108 added the n's \n" ); document.write( "3n+8=120 added 12 \n" ); document.write( "3n=112 subtracted 8 \n" ); document.write( "when I divided 112/3 I get an irrational number and dont know what to do after \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = first number \n" ); document.write( "2n + 8 = second number {8 more than twice the first} \n" ); document.write( "n - 12 = third number {12 less than the first}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n + 2n + 8 + n - 12 = 108 {sum of numbers is 108} \n" ); document.write( "4n - 4 = 108 {combined like terms} \n" ); document.write( "4n = 112 {added 4 to both sides} \n" ); document.write( "n = 28 {divided both sides by 4} \n" ); document.write( "2n + 8 = 64 {substituted 28, in for n, into 2n + 8} \n" ); document.write( "n - 12 = 16 {substituted 28, in for n, into n - 12} \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( "28, 64, and 16 are the three numbers \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |