document.write( "Question 278534: -2x+15>3 \n" ); document.write( "
Algebra.Com's Answer #202667 by nyc_function(2741) You can put this solution on YOUR website! -2x + 15 > 3\r \n" ); document.write( "\n" ); document.write( "Treat it like a regular equation.\r \n" ); document.write( "\n" ); document.write( "Subtract 15 from both sides.\r \n" ); document.write( "\n" ); document.write( "-2x > 3 - 15\r \n" ); document.write( "\n" ); document.write( "-2x > -12\r \n" ); document.write( "\n" ); document.write( "Divide both sides by -2. Don't forget to reverse the inequality sign since we are dividing by a negative number.\r \n" ); document.write( "\n" ); document.write( "x < -12/-2\r \n" ); document.write( "\n" ); document.write( "Final answer: x < 6\r \n" ); document.write( "\n" ); document.write( "=================================\r \n" ); document.write( "\n" ); document.write( "What does this answer mean?\r \n" ); document.write( "\n" ); document.write( "It means that whatever the value of x is, it must be smaller than 6 to make the original inequality a true statement.\r \n" ); document.write( "\n" ); document.write( "Want to see the prove?\r \n" ); document.write( "\n" ); document.write( "Let's say that x is 5.\r \n" ); document.write( "\n" ); document.write( "When x is 5 (or any number less than 6) we will make a true statement.\r \n" ); document.write( "\n" ); document.write( "You were given -2x + 15 > 3.\r \n" ); document.write( "\n" ); document.write( "Replace x with my chosen number 5 and simplify.\r \n" ); document.write( "\n" ); document.write( "-2(5) + 15 > 3\r \n" ); document.write( "\n" ); document.write( "-10 + 15 > 3\r \n" ); document.write( "\n" ); document.write( "5 > 3....Since 5 is bigger than 3, we just made true statement proving that the correct answer is x < 6.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "nycfunction@yahoo.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |