document.write( "Question 63072: Q#1 3<-5-2x<9\r
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Algebra.Com's Answer #43889 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Q#1 \r\n" );
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document.write( "                             3 < -5 - 2x <  9\r\n" );
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document.write( "Add +5 to all three sides:\r\n" );
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document.write( "                             3 < -5 - 2x <  9\r\n" );
document.write( "                            +5   +5        +5\r\n" );
document.write( "                          --------------------\r\n" );
document.write( "                             8 <     -2x < 14 \r\n" );
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document.write( "Divide all three sides by -2, which reverses both\r\n" );
document.write( "inequalities since we are dividing by a negative\r\n" );
document.write( "number                          \r\n" );
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document.write( "                            8     -2x     14\r\n" );
document.write( "                          ---- > ----- > ----\r\n" );
document.write( "                           -2      -2     -2\r\n" );
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document.write( "                    or        -4 > x > -7\r\n" );
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document.write( "If you like you can write that in \"mirror fashion\" as\r\n" );
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document.write( "                              -7 < x < -4\r\n" );
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document.write( "Q#2 15<3x-3<24\r\n" );
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document.write( "                            15 < 3x - 3 < 24\r\n" );
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document.write( "Add +3 to all three sides:\r\n" );
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document.write( "                            15 < 3x - 3 < 24\r\n" );
document.write( "                            +3       +3   +3\r\n" );
document.write( "                          --------------------\r\n" );
document.write( "                            18 < 3x     < 27 \r\n" );
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document.write( "Divide all three sides by 3, which DOES NOT reverse the\r\n" );
document.write( "inequalities since we are dividing by a positive\r\n" );
document.write( "number                          \r\n" );
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document.write( "                           18     3x     27\r\n" );
document.write( "                          ---- < ---- < ----\r\n" );
document.write( "                            3      3      3\r\n" );
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document.write( "                    or       6 < x < 9\r\n" );
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document.write( "Edwin
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