document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=538697>Question 538697</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I Am really struggling on solving linear equations with substitution and elimination. could you help me out and tell me the most easiest way to do these </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353230 by </B><A HREF=/tutors/aboutme.mpl?userid=JLB><B>JLB(8)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JLB><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=353230\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is an example of a linear equation  : 2x + 4 = 10\r<BR>\n" );
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document.write( "2x + 4 = 10\r<BR>\n" );
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document.write( "The goal is to find what X is equal to, your final answer is X = (answer)<BR>\n" );
document.write( "The first step in solving this equation is to subtract 4 from both sides. (Remember that what you do to one side you must do to both sides).\r<BR>\n" );
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document.write( "2x + 4 - 4 = 10 - 4\r<BR>\n" );
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document.write( "2x = 6\r<BR>\n" );
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document.write( "Now you just need to divide both sides by 2, and you will get the final answer:\r<BR>\n" );
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document.write( "x = 3\r<BR>\n" );
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document.write( "Let's do another one.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2F3+-+12+=+36+ ALIGN=MIDDLE  ALT=\"+x%2F3+-+12+=+36+\"   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=+x%2F3+-+12+%2B+12+=+36+%2B+12+ ALIGN=MIDDLE  ALT=\"+x%2F3+-+12+%2B+12+=+36+%2B+12+\"   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=+x%2F3+=+48+ ALIGN=MIDDLE  ALT=\"+x%2F3+=+48+\"   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=+x+=+16+ ALIGN=MIDDLE  ALT=\"+x+=+16+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Do you see that? You need to do the opposite operation (subtracting and adding are opposite, division and multiplication are opposite) to both sides. So when you see x - 1 = 12, you know to add 1 to 12 to get 13, and to cancel out the x + 1 to get simply x. x = 13.\r<BR>\n" );
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