document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333176>Question 333176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each system by substitution:\r<BR>\n" );
document.write( "\n" );
document.write( "5x+y=10<BR>\n" );
document.write( "3x-3y=6\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238743 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=238743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x+y=10<BR>\n" );
document.write( "y=-5x+10<BR>\n" );
document.write( "3x-3y=6<BR>\n" );
document.write( "3x-3(-5x+10)=6<BR>\n" );
document.write( "3x+15x-30=6<BR>\n" );
document.write( "18x=6+30<BR>\n" );
document.write( "18x=36<BR>\n" );
document.write( "x=36/18<BR>\n" );
document.write( "x=2 ans.<BR>\n" );
document.write( "y=-5*2+10<BR>\n" );
document.write( "y=-10+10<BR>\n" );
document.write( "y=0 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "3*2-3*0=6<BR>\n" );
document.write( "6=6<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );