document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40339>Question 40339</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 30/10+y = 20/10-y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25833 by </B><A HREF=/tutors/aboutme.mpl?userid=smik><B>smik(40)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=smik><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=25833\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Good Question. I'm guessing you meant 30/(10+y) = 20/(10-y).<BR>\n" );
document.write( "Anyway, our first aim is to get rid of the denominators because those don't help a lot when solving equations. So we can first multiply both sides by (10+y) and then multiply both sides by (10-y).<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2By%29%2A%2830%2F%2810%2By%29%29+=+%2820%2F%2810-y%29%29%2A%2810%2By%29 ALIGN=MIDDLE  ALT=\"%2810%2By%29%2A%2830%2F%2810%2By%29%29+=+%2820%2F%2810-y%29%29%2A%2810%2By%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (we multiply both sides by 10+y)<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30+=+%2820%2A%2810%2By%29%29%2F%2810-y%29 ALIGN=MIDDLE  ALT=\"30+=+%2820%2A%2810%2By%29%29%2F%2810-y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810-y%29%2A30+=+20%2A%2810%2By%29 ALIGN=MIDDLE  ALT=\"%2810-y%29%2A30+=+20%2A%2810%2By%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (we multiply both sides by 10-y)<BR>\n" );
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document.write( "We can factor this out:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300-30y+=+200%2B20y ALIGN=MIDDLE  ALT=\"300-30y+=+200%2B20y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100+=+50y ALIGN=MIDDLE  ALT=\"100+=+50y\"   DISABLED_style= \"max-width:90%; height:auto;\" > (subtract 200 from both sides, and add 30y to both sides)<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+2 ALIGN=MIDDLE  ALT=\"y+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > (the final answer) </SPAN>\n" );
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