document.write( "Question 600737: 3+2|-4x+5|≤11 \n" ); document.write( "

Algebra.Com's Answer #379484 by Edwin McCravy(20086) $\"\"$ $\"About$

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document.write( "   3 + 2|-4x + 5| ≤ 11\r\n" );
document.write( "  -3                -3\r\n" );
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document.write( "       2|-4x + 5| ≤  8\r\n" );
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document.write( "Divide both sides by 2\r\n" );
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document.write( "        |-4x + 5| ≤  4\r\n" );
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document.write( "    -4 ≤ -4x + 5 ≤ 4\r\n" );
document.write( "    -5        -5  -5\r\n" );
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document.write( "    -9 ≤ -4x    ≤ -1\r\n" );
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document.write( "Dividing through by -4 reverses the inequalities\r\n" );
document.write( "    ≥ x ≥ \r\n" );
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document.write( "    ≥ x ≥ \r\n" );
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document.write( "Which can be written as\r\n" );
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document.write( "    ≤ x ≤ \r\n" );
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document.write( "   [, ]\r\n" );
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document.write( "Edwin

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