document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=212996>Question 212996</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system by substitution for the following problem:\r<BR>\n" );
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document.write( "x+8y=-7<BR>\n" );
document.write( "8x+9y=7\r<BR>\n" );
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document.write( "also need to see what ths looks like on a graph?\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160910 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=160910\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B8y+=+-7 ALIGN=MIDDLE  ALT=\"x%2B8y+=+-7\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rewrite this as: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-8y-7 ALIGN=MIDDLE  ALT=\"x+=+-8y-7\"   DISABLED_style= \"max-width:90%; height:auto;\" > and substitute into the second equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B9y+=+7 ALIGN=MIDDLE  ALT=\"8x%2B9y+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%28-8y-7%29%2B9y+=+7 ALIGN=MIDDLE  ALT=\"8%28-8y-7%29%2B9y+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify the left side.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-64y-56%2B9y+=+7 ALIGN=MIDDLE  ALT=\"-64y-56%2B9y+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-55y-56+=+7 ALIGN=MIDDLE  ALT=\"-55y-56+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 56 to both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-55y+=+63 ALIGN=MIDDLE  ALT=\"-55y+=+63\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by -55.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-63%2F55 ALIGN=MIDDLE  ALT=\"y+=+-63%2F55\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now substitute this into the first equation and solve for x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B8%28-63%2F55%29+=+-7 ALIGN=MIDDLE  ALT=\"x%2B8%28-63%2F55%29+=+-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-%28504%2F55%29+=+-7 ALIGN=MIDDLE  ALT=\"x-%28504%2F55%29+=+-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+119%2F55 ALIGN=MIDDLE  ALT=\"x+=+119%2F55\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2.164 ALIGN=MIDDLE  ALT=\"x+=+2.164\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-1.145 ALIGN=MIDDLE  ALT=\"y+=+-1.145\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-5%2C5%2C-5%2C5%2C-%281%2F8%29x-7%2F8%2C-%288%2F9%29x%2B7%2F9%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-5%2C5%2C-5%2C5%2C-%281%2F8%29x-7%2F8%2C-%288%2F9%29x%2B7%2F9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );