document.write( "Question 1097405: Can you find a counter example for |-x|=x \n" ); document.write( "
Algebra.Com's Answer #711849 by Edwin McCravy(20081) You can put this solution on YOUR website! \r\n" ); document.write( " |-x| = x\r\n" ); document.write( "\r\n" ); document.write( " Let x = -1\r\n" ); document.write( "\r\n" ); document.write( "|-(-1)| = -1\r\n" ); document.write( "\r\n" ); document.write( " |1| = -1\r\n" ); document.write( "\r\n" ); document.write( " 1 = -1\r\n" ); document.write( "\r\n" ); document.write( "That's false! So when x = -1 it is a contradiction.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |