document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=572964>Question 572964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am confused on how you go about solving this substitution problem \r<BR>\n" );
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document.write( "4y+3=3y+x<BR>\n" );
document.write( "2x+4y=18\r<BR>\n" );
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document.write( "I started to try doing this problem several different ways but I'm not sure how to solve it. Here's how I attempted to do it.<BR>\n" );
document.write( "4y+3=3y+x  I started by subtracting ( swinging )<BR>\n" );
document.write( "-4y -x -4y -x\r<BR>\n" );
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document.write( "= x-2=-1y<BR>\n" );
document.write( "     +2   +2<BR>\n" );
document.write( "-1/2x -1=y \r<BR>\n" );
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document.write( "2x+4=18<BR>\n" );
document.write( "2x+4( -1/2x-1)=18<BR>\n" );
document.write( "2x+ -2x -4=18<BR>\n" );
document.write( "0x-4=18<BR>\n" );
document.write( "    +4 +4<BR>\n" );
document.write( "0x=22<BR>\n" );
document.write( "Divide by 0 on each side.<BR>\n" );
document.write( "X=0<BR>\n" );
document.write( "-1/2(0)-1<BR>\n" );
document.write( "(0,1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368613 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=368613\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "I'm not sure what you did wrong exactly because the rendering of your work just doesn't line up so that it is understandable.  But let me show you where you should have been following your line of reasoning.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 4y\ +\ 3\ =\ 3y\ +\ x\">\r<BR>\n" );
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document.write( "Add <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -4y\"> and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -x\"> to both sides:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 4y\ -\ 4y\ +\ 3\ -\ x\ =\ 3y\ -\ 4y\ +\ x\ -\ x\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 3\ -\ x\ =\ -y\">\r<BR>\n" );
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document.write( "Multiply by -1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ x\ -\ 3\ =\ y\">\r<BR>\n" );
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document.write( "Now substitute <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\ -\ 3\"> for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> in the second equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 2x\ +\ 4(x\ -\ 3)\ =\ 18\">\r<BR>\n" );
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document.write( "Solve for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">, then substitute back into either original equation and solve for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\">.\r<BR>\n" );
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document.write( "And NEVER, NEVER, NEVER again even THINK about dividing ANYTHING by zero.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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