document.write( "Question 457061: If 2(x -1) = 14, then x =\r
\n" ); document.write( "\n" ); document.write( "If 5x + x² > 100, then x is not\r
\n" ); document.write( "\n" ); document.write( "If 5x - 17 = -x + 7, then x = \n" ); document.write( "

Algebra.Com's Answer #313620 by Edwin McCravy(20054) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "If 2(x -1) = 14, then \r\n" );
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document.write( "    2x - 2 = 14\r\n" );
document.write( "        2x = 16\r\n" );
document.write( "         x = 8\r\n" );
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document.write( "If 5x + x² > 100, then \r\n" );
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document.write( "   x² + 5x - 100 > 0\r\n" );
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document.write( "which has critical values when x² + 5x - 100 = 0\r\n" );
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document.write( "                               \r\n" );
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document.write( "                               approximately -12.8 or 7.8\r\n" );
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document.write( "Intervals                 (-oo,-12.8)  (-12.8,7.8)   (7.8,oo)   \r\n" );
document.write( "Test values                   -13            0          8\r\n" );
document.write( "expression at test value        4         -100          4\r\n" );
document.write( "expression > 0?                yes          no         yes  \r\n" );
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document.write( "x is not between  and , inclusive\r\n" );
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document.write( "If 5x - 17 = -x + 7, then \r\n" );
document.write( "        6x = 24\r\n" );
document.write( "         x = 4    \r\n" );
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document.write( "---------------------------\r\n" );
document.write( "Edwin

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