document.write( "Question 24393: 9+11C<2(0.5C-5) \n" ); document.write( "
Algebra.Com's Answer #12974 by AnlytcPhil(1806)![]() ![]() You can put this solution on YOUR website! Just like solving an equation except when we divide through by a\r\n" ); document.write( "negative number we must reverse the direction of the inequality.\r\n" ); document.write( "However, there is no occasion here to do that here, because when\r\n" ); document.write( "we divide through by a positive number we DO NOT REVERSE the\r\n" ); document.write( "inequality.\r\n" ); document.write( "\r\n" ); document.write( "9 + 11C < 2(0.5C - 5)\r\n" ); document.write( "\r\n" ); document.write( "9 + 11C < 2(0.5C) - 2(5)\r\n" ); document.write( "\r\n" ); document.write( "9 + 11C < 1C - 10\r\n" ); document.write( "\r\n" ); document.write( "Subtract 9 from both siade\r\n" ); document.write( "\r\n" ); document.write( " 11C < 1C - 19\r\n" ); document.write( "\r\n" ); document.write( "Subtract 1C from both siade\r\n" ); document.write( "\r\n" ); document.write( " 10C < -19\r\n" ); document.write( "\r\n" ); document.write( "Divide through by 10, which is a POSITIVE\r\n" ); document.write( "NUMBER, so we DO NOT reverse the <.\r\n" ); document.write( "\r\n" ); document.write( " 10C -19\r\n" ); document.write( " ————— < —————\r\n" ); document.write( " 10 10\r\n" ); document.write( "\r\n" ); document.write( "Cancel the 10's on the left:\r\n" ); document.write( "\r\n" ); document.write( " 1\r\n" ); document.write( "\n" ); document.write( " |