document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=28354>Question 28354</A>: <I><SPAN STYLE=\"word-break: break-all;\">   <BR>\n" );
document.write( " hey my name is jhon and i want to know how to solve solving sysytem sbstution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15419 by </B><A HREF=/tutors/aboutme.mpl?userid=elima><B>elima(1433)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=elima><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=15419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You mean solving equations by substitution?<BR>\n" );
document.write( "ex;<BR>\n" );
document.write( "2x-9y=1<BR>\n" );
document.write( "x-4y=1<BR>\n" );
document.write( "You would first solve one of the equations for one of the variables;<BR>\n" );
document.write( "x-4y=1<BR>\n" );
document.write( "x=1+4y<BR>\n" );
document.write( "Now you substitute that in the other equation for x;<BR>\n" );
document.write( "2(1+4y)-9y=1<BR>\n" );
document.write( "2+8y-9y=1<BR>\n" );
document.write( "2-y=1<BR>\n" );
document.write( "-y=1<BR>\n" );
document.write( "y=-1<BR>\n" );
document.write( "Now plug that into the equation for y and find x;<BR>\n" );
document.write( "2x-9(-1)=1<BR>\n" );
document.write( "2x+9=1<BR>\n" );
document.write( "2x=1-9<BR>\n" );
document.write( "2x=-8<BR>\n" );
document.write( "x=-4<BR>\n" );
document.write( "Now you have x & y ;<BR>\n" );
document.write( "x=-4; y=-1<BR>\n" );
document.write( "hope this is what you were having problems on, and it helps. If not let me know<BR>\n" );
document.write( "=) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );