document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121727>Question 121727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me with this problem?\r<BR>\n" );
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document.write( "y1= 1/x+2, y2= 1/x-2, y3= 1/x^2-4, and the difference between 4 times y1 and 7 times y2 is the product of 11 and y3. Show equation and solve </SPAN>\n" );
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document.write( "y1= 1/x+2<BR>\n" );
document.write( "y2= 1/x-2<BR>\n" );
document.write( "y3= 1/x^2-4<BR>\n" );
document.write( "the difference between 4 times y1 and 7 times y2 is the product of 11 and y3. Show equation and solve<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "4y1-7y2=11y3<BR>\n" );
document.write( "Substitute to get:<BR>\n" );
document.write( "[4/(x+2) - 7/(x-2)] = 11/(y^2-4)<BR>\n" );
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document.write( "Multiply thru by  y^2-4 to get<BR>\n" );
document.write( "4(y-2) - 7(y+2) = 11<BR>\n" );
document.write( "-3y-10 = 11<BR>\n" );
document.write( "-3y = 21<BR>\n" );
document.write( "y = -7<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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