document.write( "Question 61402This question is from textbook An Incremental Development
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document.write( ": Find three consecutive odd integers such that three times the sum of the first and third is 18 greater than 4 times the second \n" );
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Algebra.Com's Answer #42259 by funmath(2933)![]() ![]() ![]() You can put this solution on YOUR website! Find three consecutive odd integers such that three times the sum of the first and third is 18 greater than 4 times the second \n" ); document.write( "Odd numbers are 2 apart from each other: \n" ); document.write( "1,3,5,7... \n" ); document.write( "1,1+2,1+2+2,1+2+2+2 \n" ); document.write( ": \n" ); document.write( "Let the first number be: x \n" ); document.write( "Then the second will be: x+2 \n" ); document.write( "Then the third will be:x+2+2=x+4 \n" ); document.write( "\"3 times\" means 3* \n" ); document.write( "\"sum\" means + \n" ); document.write( "\"is\" means = \n" ); document.write( "\"18 greater\" means +18 \n" ); document.write( "\"4 times\" means 4* \n" ); document.write( ": \n" ); document.write( "3(x+x+4)=4(x+2)+18 \n" ); document.write( "3(2x+4)=4x+8+18 \n" ); document.write( "6x+12=4x+26 \n" ); document.write( "6x-4x+12=4x-4x+26 \n" ); document.write( "2x+12=26 \n" ); document.write( "2x+12-12=26-12 \n" ); document.write( "2x=14 \n" ); document.write( "2x/2=14/2 \n" ); document.write( "x=7 \n" ); document.write( "The first number is: x=7 \n" ); document.write( "The second number is: x+2=7+2=9 \n" ); document.write( "The third number is: x+4=7+4=11 \n" ); document.write( ": \n" ); document.write( "Sanity Check, does 3 times the sum of the first and third number=4 time the second +18? \n" ); document.write( "3(7+11)=4(9)+18 \n" ); document.write( "3(18)=36+18 \n" ); document.write( "54=54 Looks valid. \n" ); document.write( ": \n" ); document.write( "Happy Calculating!!! \n" ); document.write( " |