document.write( "Question 308704: 7(10x - 15) > 5(14x - 10) \n" ); document.write( "
Algebra.Com's Answer #220746 by rapaljer(4671) You can put this solution on YOUR website! 7(10x-15)>5(14x-10)\r \n" ); document.write( "\n" ); document.write( "70x-105>70x-50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Subtrac 70x from each side: \n" ); document.write( "-105 > -50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since all the variable subtracted out, there is nothing left but numbers. The inequality is either TRUE (always true!), or it is FALSE (always false!).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In this case, the inequality -105>-50 is FALSE, so there is NO SOLUTION. This is called a CONTRDICTION.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired \n" ); document.write( " |