document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136140>Question 136140</A>: <I><SPAN STYLE=\"word-break: break-all;\"> [2x-5]=[9x+7]  Please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99691 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=99691\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For problems in one variable, you need to isolate the variable on one side of the equation.\r<BR>\n" );
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document.write( "Given: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-5=9x%2B7 ALIGN=MIDDLE  ALT=\"2x-5=9x%2B7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "First collect the terms containing the variable on one side and the constant terms on the other side. To do this, subtract 2x from both sides and then subtract (-7) from both sides. Think of the equal sign as a 'balance' point. Whatever you do to one side, you have to do to the other in order to remain in balance.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5+-7+=9x-2x ALIGN=MIDDLE  ALT=\"-5+-7+=9x-2x\"   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=-12+=+7x ALIGN=MIDDLE  ALT=\"-12+=+7x\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Now isolate the variable, by dividing both sides by 7<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-12%2F7+=+x+ ALIGN=MIDDLE  ALT=\"-12%2F7+=+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now check your answer by substituting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-12%2F7 ALIGN=MIDDLE  ALT=\"-12%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > for x in the original equation.\r<BR>\n" );
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document.write( "Does <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282+%2A+%28-12%2F7%29+-+5%29+=+%289+%2A+%28-12%2F7%29+%2B+7%29+ ALIGN=MIDDLE  ALT=\"%282+%2A+%28-12%2F7%29+-+5%29+=+%289+%2A+%28-12%2F7%29+%2B+7%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-24%2F7%29+-+5+=+%28-108%2F7%29+%2B+7 ALIGN=MIDDLE  ALT=\"%28-24%2F7%29+-+5+=+%28-108%2F7%29+%2B+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-24+-+35+=+-108+%2B+49+ ALIGN=MIDDLE  ALT=\"-24+-+35+=+-108+%2B+49+\"   DISABLED_style= \"max-width:90%; height:auto;\" > Check!\r<BR>\n" );
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