document.write( "Question 50454: How would you figure out this compound inequality.\r
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Algebra.Com's Answer #33510 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
How would you figure out this compound \r\n" );
document.write( "inequality. \r\n" );
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document.write( "2x-4 < 6-7x < 3x+6\r\n" );
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document.write( "That means \r\n" );
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document.write( "2x - 4 < 6 - 7x AND 6 - 7x < 3x + 8\r\n" );
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document.write( "    9x < 10     AND   -10x < 2\r\n" );
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document.write( "     x < 10/9   AND      x > -1/5\r\n" );
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document.write( "which means that on the number line,\r\n" );
document.write( "x is less than (to the left of) 10/9\r\n" );
document.write( "on the number line AND greater than\r\n" );
document.write( "(to the right of) -1/5 on the number line,\r\n" );
document.write( "like this:\r\n" );
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document.write( "----------o=============o-----------\r\n" );
document.write( "        -1/5          10/9\r\n" );
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document.write( "This can be written\r\n" );
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document.write( "        -1/5 < x < 10/9\r\n" );
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document.write( "or in interval notation as\r\n" );
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document.write( "       (-1/5, 10/9)\r\n" );
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document.write( "Edwin
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