document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756685>Question 756685</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ax/b-by/a=a+b;ax-by=2ab <BR>\n" );
document.write( "Please help me solve this equation<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460374 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=460374\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assume that a and b are different from zero. Divide both sides of second equation by ab:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28ax%2Fab%29-%28by%2Fab%29=2 ALIGN=MIDDLE  ALT=\"%28ax%2Fab%29-%28by%2Fab%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2Fb%29-%28y%2Fa%29=2 ALIGN=MIDDLE  ALT=\"%28x%2Fb%29-%28y%2Fa%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fb=2%2B%28y%2Fa%29 ALIGN=MIDDLE  ALT=\"x%2Fb=2%2B%28y%2Fa%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Substitute in the first equation the last expression for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fb ALIGN=MIDDLE  ALT=\"x%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" > and get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%282%2B%28y%2Fa%29%29-by%2Fa=a%2Bb ALIGN=MIDDLE  ALT=\"a%282%2B%28y%2Fa%29%29-by%2Fa=a%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Solve the last equation for y and get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-a ALIGN=MIDDLE  ALT=\"y=-a\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Substitute <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-a ALIGN=MIDDLE  ALT=\"y=-a\"   DISABLED_style= \"max-width:90%; height:auto;\" > into <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fb=2%2B%28y%2Fa%29 ALIGN=MIDDLE  ALT=\"x%2Fb=2%2B%28y%2Fa%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >and get x=b.\r<BR>\n" );
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document.write( "The solution is the point (b,-a) </SPAN>\n" );
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