document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981451>Question 981451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1)log65+2log5-2log40<BR>\n" );
document.write( "2)log4+10 log7-logy=1 find y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602416 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=602416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%2865%29%2B2log%285%29-2log%2840%29 ALIGN=MIDDLE  ALT=\"log%2865%29%2B2log%285%29-2log%2840%29\"   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=log%28%2865%2A25%29%29-log%281600%29 ALIGN=MIDDLE  ALT=\"log%28%2865%2A25%29%29-log%281600%29\"   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=log%28%28%2865%2Across%2825%291%29%2Fcross%281600%2964%29%29 ALIGN=MIDDLE  ALT=\"log%28%28%2865%2Across%2825%291%29%2Fcross%281600%2964%29%29\"   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=log%284%29%2B10+log%287%29-log%28y%29=1 ALIGN=MIDDLE  ALT=\"log%284%29%2B10+log%287%29-log%28y%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >........... find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   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=log%284%29%2Blog%287%5E10%29-log%28y%29=1 ALIGN=MIDDLE  ALT=\"log%284%29%2Blog%287%5E10%29-log%28y%29=1\"   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=log%284%2A7%5E10%29-log%28y%29=1 ALIGN=MIDDLE  ALT=\"log%284%2A7%5E10%29-log%28y%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >........<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1=log%2810%29 ALIGN=MIDDLE  ALT=\"1=log%2810%29\"   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=log%28%28%284%2A7%5E10%29%2Fy%29%29=log%2810%29 ALIGN=MIDDLE  ALT=\"log%28%28%284%2A7%5E10%29%2Fy%29%29=log%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...since log same, we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284%2A7%5E10%29%2Fy=10 ALIGN=MIDDLE  ALT=\"%284%2A7%5E10%29%2Fy=10\"   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=4%2A7%5E10=10y ALIGN=MIDDLE  ALT=\"4%2A7%5E10=10y\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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