document.write( "Question 990921: Find the values of x satisfying the given conditions.\r
\n" ); document.write( "\n" ); document.write( "y1 = 2x/x-8, y2 = 3/x+7, y1 + y2 = 1
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Algebra.Com's Answer #610889 by MathLover1(20850)\"\" \"About 
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\"y%5B1%5D+=+2x%2F%28x-8%29\", \"y%5B2%5D+=+3%2F%28x%2B7%29\", \r
\n" ); document.write( "\n" ); document.write( "given condition: \"y%5B1%5D+%2B+y%5B2%5D+=+1\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2F%28x-8%29%2B3%2F%28x%2B7%29=1\"\r
\n" ); document.write( "\n" ); document.write( "\"%282x%28x%2B7%29%2B3%28x-8%29%29%2F%28%28x-8%29%28x%2B7%29%29=1\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%28x%2B7%29%2B3%28x-8%29=1%28x-8%29%28x%2B7%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2B14x%2B3x-24=x%5E2%2B7x-8x-56\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2B17x-24=x%5E2-x-56\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2B17x-24-x%5E2%2Bx%2B56=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B18x%2B32=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B2x%2B16x%2B32=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B2x%29%2B%2816x%2B32%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28x%2B2%29%2B16%28x%2B2%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B2%29%28x%2B16%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28x%2B2%29=+0\"=>\"x=-2\"
\n" ); document.write( "if \"%28x%2B16%29+=+0\"=>\"x=-16\"\r
\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "=>\"x=-2\"\r
\n" ); document.write( "\n" ); document.write( "\"y%5B1%5D+=+2x%2F%28x-8%29\"=>\"y%5B1%5D+=+%282%28-2%29%29%2F%28-2-8%29=-4%2F-10=2%2F5\"
\n" ); document.write( "\"y%5B2%5D+=+3%2F%28x%2B7%29\"=>\"y%5B2%5D+=+3%2F%28-2%2B7%29=3%2F5\"\r
\n" ); document.write( "\n" ); document.write( "given condition: \"y%5B1%5D+%2B+y%5B2%5D+=+1\"=>\"2%2F5+%2B+3%2F5=5%2F5+=+1\"\r
\n" ); document.write( "\n" ); document.write( "now you can check for =>\"x=-16\"\r
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