document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169504>Question 169504</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each system by addition:\r<BR>\n" );
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document.write( "3x-2.5y=7.125\r<BR>\n" );
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document.write( "2.5x-3y=7.3125<BR>\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 #125340 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=125340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each system by addition: <BR>\n" );
document.write( "3x-2.5y=7.125 <BR>\n" );
document.write( "2.5x-3y=7.3125<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Multiply thru the 1st by 2.5 and the 2nd by 3 to get:<BR>\n" );
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document.write( "7.5x - 6.25y = 2.5*7.125<BR>\n" );
document.write( "7.5x - 9   y = 3*7.3125<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "Subtract 2nd from 1st to solve for \"y\":<BR>\n" );
document.write( "2.75y = -4.125<BR>\n" );
document.write( "y = -1.5<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Substitute into 2.5x - 3(-1.5) = 7.3125<BR>\n" );
document.write( "2.5x + 4.5 = 7.3125<BR>\n" );
document.write( "2.5x = 2.8125<BR>\n" );
document.write( "x = 1.125<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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