document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=272576>Question 272576</A>: <I><SPAN STYLE=\"word-break: break-all;\"> using substitution to solve each system of quations for <BR>\n" );
document.write( "x=8y-10<BR>\n" );
document.write( "x=4y-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199337 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=199337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=8y-10<BR>\n" );
document.write( "x=4y-5<BR>\n" );
document.write( ".<BR>\n" );
document.write( "x - 8y = -10<BR>\n" );
document.write( "x - 4y = -5<BR>\n" );
document.write( "subtract<BR>\n" );
document.write( "-4y = -5<BR>\n" );
document.write( "y = 5/4<BR>\n" );
document.write( ".<BR>\n" );
document.write( "substituting<BR>\n" );
document.write( "x = 8y -10<BR>\n" );
document.write( "x = 8(5/4) - 10 = 0<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Solution:  (0, 5/4)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Check by inspecting the graphs:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C1%2F8%2Ax%2B5%2F4%2C+1%2F4%2Ax%2B5%2F4%29 ALIGN=MIDDLE  ALT=\"graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C1%2F8%2Ax%2B5%2F4%2C+1%2F4%2Ax%2B5%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );