document.write( "Question 1207257: How many integers satisfy |x+1|<4 \n" ); document.write( "
Algebra.Com's Answer #845031 by ikleyn(52864) You can put this solution on YOUR website! . \n" ); document.write( "How many integers satisfy |x+1| < 4 ? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Here is even more short reasoning:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " The number of integer solutions of |x+1| < 4 is the same \r\n" ); document.write( " as the number of integer solutions of |y| < 4,\r\n" ); document.write( " which is obviously 3 + 3 + 1 = 7.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Notice that in this problem, they do not ask you to find the set of solutions. \n" ); document.write( "They only ask to determine the number of solutions.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Therefore, in this application, x+1 is a dumb variable and can be replaced by any other variable.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This variable, (x+1), is intently presented in this form to create false associations, \n" ); document.write( "to distract attention and to motivate a reader to make unnecessary calculations.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Therefore, it is MUCH BETTER to replace it by something more neutral, which does not \n" ); document.write( "distract attention, does not make false associations and does not motivate to make unnecessary calculations.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |