document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=352230>Question 352230</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the system of simultaneous equations by using the substitution method?\r<BR>\n" );
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document.write( "   x=10-y<BR>\n" );
document.write( "   y=x-8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #251710 by </B><A HREF=/tutors/aboutme.mpl?userid=sofiyac><B>sofiyac(983)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sofiyac><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=sofiyac><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=251710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=10-y<BR>\n" );
document.write( "y=x-8\r<BR>\n" );
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document.write( "Plug in the first equation into the second one and you get<BR>\n" );
document.write( "y=10-y-8  combine like terms and you get<BR>\n" );
document.write( "y=2-y  now add y to each side and you get<BR>\n" );
document.write( "2y=2  divide both sides by 2 and you get<BR>\n" );
document.write( "y=1 now you plug that into the first original equaiton<BR>\n" );
document.write( "x=10-1 then you simplify and you get<BR>\n" );
document.write( "x=9<BR>\n" );
document.write( "So the solution is (9,1)<BR>\n" );
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