document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=158341>Question 158341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The question is Solve the following system of equations using the substitution method. Check your answer.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+5x+-+3y+%2B+10 ALIGN=MIDDLE  ALT=\"+3+=+5x+-+3y+%2B+10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+2x+%2B+4 ALIGN=MIDDLE  ALT=\"+y+=+2x+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I'm not sure how to do substitution, so if you could tell me were everything is coming from it would be a great help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116710 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=116710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve by \"substitution\" means yo have to eliminate one of the variables (x or y) by substituting the other variable (y or x) into one of the two equations.<BR>\n" );
document.write( "It's easier to demonstrate the process:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+=+5x-3y%2B10 ALIGN=MIDDLE  ALT=\"3+=+5x-3y%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+3x%2B4 ALIGN=MIDDLE  ALT=\"y+=+3x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute this for y in the 1st equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+=+5x-3%283x%2B4%29%2B10 ALIGN=MIDDLE  ALT=\"3+=+5x-3%283x%2B4%29%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify and so;vefor x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+=+5x-9x-12%2B10 ALIGN=MIDDLE  ALT=\"3+=+5x-9x-12%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+=+-4x-2 ALIGN=MIDDLE  ALT=\"3+=+-4x-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 4x to both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%2B3+=+-2 ALIGN=MIDDLE  ALT=\"4x%2B3+=+-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 3 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x+=+-5 ALIGN=MIDDLE  ALT=\"4x+=+-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 4.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-5%2F4 ALIGN=MIDDLE  ALT=\"x+=+-5%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now substitute this into either equation and solve for y. </SPAN>\n" );
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