document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206606>Question 206606</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by system of addition \r<BR>\n" );
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document.write( "3x - 2.5y =7.125<BR>\n" );
document.write( "2.5x - 3Y =7.3125 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156197 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=156197\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x - 2.5y =7.125 multipl by -2.5<BR>\n" );
document.write( "2.5x - 3Y =7.3125 multiply by 3 & add<BR>\n" );
document.write( "-7.5x+6.25y=-17.8125<BR>\n" );
document.write( "7.5x-9y=21.9375<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "0x-2.75y=4.125<BR>\n" );
document.write( "y=4.125/-2.75<BR>\n" );
document.write( "y=-1.5 ans.<BR>\n" );
document.write( "3x-2.5*-1.5=7.125<BR>\n" );
document.write( "3x+3.75=7.125<BR>\n" );
document.write( "3x=7.125-3.75<BR>\n" );
document.write( "3x=3.375<BR>\n" );
document.write( "x=3.375/3<BR>\n" );
document.write( "x=1.125 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "2.5*1.125-3*-1.5=7.3125<BR>\n" );
document.write( "2.8125+4.5=7.3125<BR>\n" );
document.write( "7.3125=7.3125<BR>\n" );
document.write( " </SPAN>\n" );
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