document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=510991>Question 510991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i use linear combinations to solve the<BR>\n" );
document.write( "system of this linear equation\r<BR>\n" );
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document.write( "2a+6z=4<BR>\n" );
document.write( "3a-7z=6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #341972 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=341972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2a+6z=4<BR>\n" );
document.write( "3a-7z=6<BR>\n" );
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document.write( "Multiply thru the 1st equation by 2.<BR>\n" );
document.write( "Multiply thru the 2nd equation by 3.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "6a + 18z = 12<BR>\n" );
document.write( "6a - 14z = 12<BR>\n" );
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document.write( "Subtract and solve for \"z\":<BR>\n" );
document.write( "32z = 0<BR>\n" );
document.write( "z = 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Solve for \"a\":<BR>\n" );
document.write( "2a + 6z = 4<BR>\n" );
document.write( "2a + 6*0 = 4<BR>\n" );
document.write( "2a = 4<BR>\n" );
document.write( "a = 2<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "========== </SPAN>\n" );
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