document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=171044>Question 171044</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using either substitution or addition method. Tell which method was used?<BR>\n" );
document.write( "3y=x+5<BR>\n" );
document.write( "-3x+8y=8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126257 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=126257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3y=x+5 multiply by -3 & add.<BR>\n" );
document.write( "-3x+8y=8<BR>\n" );
document.write( "3x-9y=-15<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "-y=-7<BR>\n" );
document.write( "y=7 ans.<BR>\n" );
document.write( "3*7=x+5<BR>\n" );
document.write( "21=x+5<BR>\n" );
document.write( "x=-21-5<BR>\n" );
document.write( "x=-26 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "-3*-26-9*7=-15<BR>\n" );
document.write( "78-63=-15<BR>\n" );
document.write( "-15=-15\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );