document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=263683>Question 263683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using subtitution method\r<BR>\n" );
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document.write( "5x+3y = 80<BR>\n" );
document.write( "2x+y  = 30 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194299 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=194299\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve using subtitution method <BR>\n" );
document.write( "5x+3y = 80<BR>\n" );
document.write( "2x+y = 30<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Solve the 2nd equation equation for \"y\":<BR>\n" );
document.write( "y = -2x+30<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Substitute into the 1st equation and solve for \"x\":<BR>\n" );
document.write( "5x + 3(-2x+30) = 80<BR>\n" );
document.write( "-x + 90 = 80<BR>\n" );
document.write( "x = 10<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Since y = -2x+30, y = 10<BR>\n" );
document.write( "================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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