document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168310>Question 168310</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to solve x+3/10 = -2/5<BR>\n" );
document.write( "I have tried working it with the addition principle.<BR>\n" );
document.write( "x+3/10 = -2/5<BR>\n" );
document.write( "x + 3/10-3/10= -2/5-3/10<BR>\n" );
document.write( "x = -5/10\r<BR>\n" );
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document.write( "However, the solution is said to be x= -7\r<BR>\n" );
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document.write( "-5/10 + 3/10 = -2/5<BR>\n" );
document.write( "How does -7/10 - 3/10 = -2/5 ?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124058 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=124058\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B%283%2F10%29=-2%2F5 ALIGN=MIDDLE  ALT=\"x%2B%283%2F10%29=-2%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >  multiply all terms by 10\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x%2B3=-4 ALIGN=MIDDLE  ALT=\"10x%2B3=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > subtract 3 from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x=-7 ALIGN=MIDDLE  ALT=\"10x=-7\"   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=highlight%28x=-7%2F10%29 ALIGN=MIDDLE  ALT=\"highlight%28x=-7%2F10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so the answer is not -7 but -7/10\r<BR>\n" );
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document.write( "remember -2/5 is the same as -4/10\r<BR>\n" );
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document.write( "so -7/10+3/10=-4/10\r<BR>\n" );
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document.write( "hope that helps<BR>\n" );
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