document.write( "Question 1057512: Solve (1-x)/(2+x) = (x-2)/(x+1)\r
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Algebra.Com's Answer #672543 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "Cross-multiply (or, in other words, multiply both sides by (2+x)*(x+1)) to rid of the denominators. You will get\r\n" );
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document.write( "(1-x)*(x+1) = (x-2)*(2+x).\r\n" );
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document.write( "Simplify:\r\n" );
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document.write( "1 - x^2 = x^2 - 4,\r\n" );
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document.write( "1 + 4 = x^2 + x^2,\r\n" );
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document.write( "5 = 2x^2,\r\n" );
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document.write( "x^2 =   --->  x = +/-  = +/- .\r\n" );
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document.write( "Answer.  x = +/- .\r\n" );
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