document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=49594>Question 49594</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help in substituting this problem! please help!<BR>\n" );
document.write( "x-y=4<BR>\n" );
document.write( "x-2y=10 <BR>\n" );
document.write( "I'm really sorry if you don't understand what i need it is all my teacher gave me with the instructions \"Use substitution to solve\" seriously. <BR>\n" );
document.write( "Thank you so much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #32929 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=32929\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st: x-y=4<BR>\n" );
document.write( "2nd: x-2y=10 \r<BR>\n" );
document.write( "\n" );
document.write( "Solve the 1st for x to get; x=y+4<BR>\n" );
document.write( "Substitute that value of \"x\" into 2nd, as follows:\r<BR>\n" );
document.write( "\n" );
document.write( "(y+4)-2y=10<BR>\n" );
document.write( "-y+4=10<BR>\n" );
document.write( "y=-6\r<BR>\n" );
document.write( "\n" );
document.write( "Subtitute that value of \"y\" into 1st to get:<BR>\n" );
document.write( "x+6=4<BR>\n" );
document.write( "x=-2<BR>\n" );
document.write( "Then the solution for the system of equations<BR>\n" );
document.write( "is x=-2, y=-6<BR>\n" );
document.write( "Check the answer in 2nd as follows:<BR>\n" );
document.write( "-2-2(-6)=10<BR>\n" );
document.write( "-2+12=10<BR>\n" );
document.write( "10=10\r<BR>\n" );
document.write( "\n" );
document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );