document.write( "Question 1051991: 2-4(x+1)>=2(x-1)-18 [Write the solution set in interval notation.] \n" ); document.write( "

Algebra.Com's Answer #667419 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "Subtract 2x from both sides:\r\n" );
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document.write( "Add 2 to both sides:\r\n" );
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document.write( "Divide both sides by -2.  Since this is\r\n" );
document.write( "dividing both sides by a negative number,\r\n" );
document.write( "the inequality symbol must be reversed:\r\n" );
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document.write( "Graph on a number line with a darkened circle\r\n" );
document.write( "at 9 because it's , not .\r\n" );
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document.write( "-2 -1  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14\r\n" );
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document.write( "The interval notation is an abbreviation of the graph\r\n" );
document.write( "on a number line. The darkened circle is denoted by \"]\"\r\n" );
document.write( "and the rightmost point of the interval is 9, and the\r\n" );
document.write( "interval goes to negative infinity on the left side, so \r\n" );
document.write( "the interval notation is\r\n" );
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document.write( "Edwin

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