document.write( "Question 68399: 4x+12 < -2x-6\r
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document.write( "I've tried solving this problem, but when I check it, I am supposed to replace the variable with the answer I got and the answer is supposed to be equal.
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document.write( "I checked it, but I keep getting 16=4. \n" );
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Algebra.Com's Answer #48667 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! 4x + 12 < -2x - 6 \r\n" ); document.write( "I've tried solving this problem, but when I\r\n" ); document.write( "check it, I am supposed to replace the \r\n" ); document.write( "variable with the answer I got and the answer \r\n" ); document.write( "is supposed to be equal. \r\n" ); document.write( "I checked it, but I keep getting 16=4.\r\n" ); document.write( "\r\n" ); document.write( "NO! This is NOT an equation. It is an\r\n" ); document.write( "INEQUALITY. So there will be no equal \r\n" ); document.write( "sign \" = \" at all!\r\n" ); document.write( "\r\n" ); document.write( " 4x + 12 < -2x - 6\r\n" ); document.write( "\r\n" ); document.write( "Add -12 to both sides:\r\n" ); document.write( "\r\n" ); document.write( " 4x + 12 < -2x - 6\r\n" ); document.write( " -12 - 12\r\n" ); document.write( "-------------------\r\n" ); document.write( " 4x < -2x - 18\r\n" ); document.write( "\r\n" ); document.write( "Now add 2x to both sides:\r\n" ); document.write( "\r\n" ); document.write( " 4x < -2x - 18\r\n" ); document.write( " 2x 2x\r\n" ); document.write( " --------------\r\n" ); document.write( " 6x < -18\r\n" ); document.write( "\r\n" ); document.write( "Divide both sides by 6\r\n" ); document.write( "\r\n" ); document.write( " x < -3\r\n" ); document.write( "\r\n" ); document.write( "There is no easy way to\r\n" ); document.write( "check an inequality.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |