document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=496042>Question 496042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using the substitution method<BR>\n" );
document.write( "1/3 x - 1/5 y = 7<BR>\n" );
document.write( "1/6 x + 2/5 y = -4\r<BR>\n" );
document.write( "\n" );
document.write( "Not sure how to work substitution method using fractions.<BR>\n" );
document.write( "Need to find answer for both variables seperately. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #336306 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=336306\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve using the substitution method<BR>\n" );
document.write( "1/3 x - 1/5 y = 7<BR>\n" );
document.write( "1/6 x + 2/5 y = -4 <BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Then eliminate the fractions and go from there.<BR>\n" );
document.write( "1/3 x - 1/5 y = 7<BR>\n" );
document.write( "times 15 --> 5x - 3y = 105<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "1/6 x + 2/5 y = -4 <BR>\n" );
document.write( "times 30 --> 5x + 12y = -120<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "5x - 3y = 105 --> 5x = 3y + 105<BR>\n" );
document.write( "5x + 12y = -120<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Sub for 5x in the 2nd eqn<BR>\n" );
document.write( "(3y+105) + 12y = -120<BR>\n" );
document.write( "15y = -225<BR>\n" );
document.write( "y = -15<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Sub for y in any eqn and find x<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );