document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176388>Question 176388</A>: <I><SPAN STYLE=\"word-break: break-all;\"> can you help solve: 2/5x-3y=8; 4x+y=18 for (x,y)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131485 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=131485\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve: (2/5)x-3y=8; 4x+y=18 for (x,y)<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Rearrange:<BR>\n" );
document.write( "2x - 15y = 50<BR>\n" );
document.write( "4x +  y  = 18<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Modify:<BR>\n" );
document.write( "4x - 30y = 100<BR>\n" );
document.write( "4x +   y =  18<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Subtract 1st from 2nd to get:<BR>\n" );
document.write( "31y = -82<BR>\n" );
document.write( "y = -82/31<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Substitute into 4x+y = 18 to solve for \"x\":<BR>\n" );
document.write( "4x - (82/31) = 18<BR>\n" );
document.write( "4x = 18 + (82/31)<BR>\n" );
document.write( "x = 160/31<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );