document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=79732>Question 79732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve the following two questions:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x-4%29%2B5+=+-7x-9 ALIGN=MIDDLE  ALT=\"%282x-4%29%2B5+=+-7x-9\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "         and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F2+=+25%2Fx ALIGN=MIDDLE  ALT=\"5%2F2+=+25%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #57208 by </B><A HREF=/tutors/aboutme.mpl?userid=erimir><B>erimir(14)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=erimir><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=57208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's start by solving equation #1.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x-4%29%2B5=-7x-9 ALIGN=MIDDLE  ALT=\"%282x-4%29%2B5=-7x-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-4%2B5=-7x-9 ALIGN=MIDDLE  ALT=\"2x-4%2B5=-7x-9\"   DISABLED_style= \"max-width:90%; height:auto;\" > {removing parentheses}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B1=-7x-9 ALIGN=MIDDLE  ALT=\"2x%2B1=-7x-9\"   DISABLED_style= \"max-width:90%; height:auto;\" > {-4+5=1}}}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B7x=-9-1 ALIGN=MIDDLE  ALT=\"2x%2B7x=-9-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > {moving +1 from left side to right side, negating the element (+1 ==> -1), and moving +7x from right side to left side, negating this element too (-7x ==> 7x)}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x+=+-10 ALIGN=MIDDLE  ALT=\"9x+=+-10\"   DISABLED_style= \"max-width:90%; height:auto;\" > {2x+7x=9x and -9-1=-10}}}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-10%2F9 ALIGN=MIDDLE  ALT=\"x+=+-10%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > {diving everything by 9 to get the value of x}\r<BR>\n" );
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document.write( "Then equation #2, which is a little bit more complicated:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F2+=+25%2Fx ALIGN=MIDDLE  ALT=\"5%2F2+=+25%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now, to get rid of the fractions (a fraction is when you have a number over another, as for example <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F2 ALIGN=MIDDLE  ALT=\"5%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F2 ALIGN=MIDDLE  ALT=\"x%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >), we need to find the common denominator. This is an important step. Now we look at what is in the fractions where we find the denominator. On the left side of the equation, this is 2. On the right side, it is x. The common denominator may be found by multiplying these two numbers, and we get 2x. Now let us multiply each of the fractions by 2x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2F2%29%2A2x+=+%2825%2Fx%29%2A2x ALIGN=MIDDLE  ALT=\"%285%2F2%29%2A2x+=+%2825%2Fx%29%2A2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2A2x%29%2F2+=+%2825%2A2x%29%2Fx ALIGN=MIDDLE  ALT=\"%285%2A2x%29%2F2+=+%2825%2A2x%29%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x%2F2+=+50x%2Fx ALIGN=MIDDLE  ALT=\"10x%2F2+=+50x%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x+=+50 ALIGN=MIDDLE  ALT=\"5x+=+50\"   DISABLED_style= \"max-width:90%; height:auto;\" > {diving 10x by 2 = 5x, and 50x by x gives 50}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+10 ALIGN=MIDDLE  ALT=\"x+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > {diving each side by 5, giving us the final answer}}}\r<BR>\n" );
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document.write( "If you insert the value of x into the equation you may control that the answers are correct.\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Eric </SPAN>\n" );
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