document.write( "Question 625488: Hi my problem says: find three consecutive odd integers such that 7 times the sum of the first and the third is 120 less than 10 times the OPPOSITE of the second.
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document.write( "Please show work :) thank you \n" );
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Algebra.Com's Answer #393572 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! \"three consecutive odd integers such that 7 times the sum of the first and the third is 120 less than 10 times the OPPOSITE of the second\" translates to \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7*( (2x+1) + (2x+5) ) = 10(-1(2x+3)) - 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This is because 2x+1 is an odd integer, 2x+3 is the next consecutive odd integer, and 2x+5 is the next consecutive odd integer after that\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's solve for x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7*( (2x+1) + (2x+5) ) = 10(-1(2x+3)) - 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7*( (2x+1) + (2x+5) ) = -10(2x+3) - 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7*( 2x+1 + 2x+5 ) = -10(2x+3) - 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7*( 4x+6 ) = -10(2x+3) - 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "28x+42 = -20x - 30 - 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "28x+42 = -20x - 150\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "28x+20x = -150-42\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "48x = -192\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -192/48\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now that we know that x = -4, we can plug it into 2x+1, 2x+3, and 2x+5 to find the three consecutive odd integers\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x+1 = 2(-4)+1 = -7\r \n" ); document.write( "\n" ); document.write( "2x+3 = 2(-4)+3 = -5\r \n" ); document.write( "\n" ); document.write( "2x+5 = 2(-4)+5 = -3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the three consecutive odd integers are -7, -5, and -3\r \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim \n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( " |