document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238677>Question 238677</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to figure out how to elimination problems....<BR>\n" );
document.write( "Not having much luck....can someone help me, point me in the right direction?\r<BR>\n" );
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document.write( "6x+2y-4=0 and 10x+7y=-8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175369 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=175369\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here's one I just did, see if you can do it like this.<BR>\n" );
document.write( "If you have trouble, or to check your work, email me at<BR>\n" );
document.write( "gsihoutx@aol.com\r<BR>\n" );
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document.write( "Solve the system by the elimination method.<BR>\n" );
document.write( "5x + 5y = -13<BR>\n" );
document.write( "7x - 3y = 19 <BR>\n" );
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document.write( "To eliminate one of the variables, multiply one or both eqns to get the same coefficient for one of them. You can do either, I'll do y<BR>\n" );
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document.write( "5x + 5y = -13 x3 --> 15x + 15y = -39<BR>\n" );
document.write( "7x - 3y = 19 x5 --> 35x - 15y = 95<BR>\n" );
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document.write( "15x + 15y = -39<BR>\n" );
document.write( "35x - 15y = 95<BR>\n" );
document.write( "--------------- Add<BR>\n" );
document.write( "50x = 56<BR>\n" );
document.write( "x = 56/50 = 1.12<BR>\n" );
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document.write( "Usually it's \"elimination and substution\", once you find one, you can sub and find the others.<BR>\n" );
document.write( "7x - 3y = 19<BR>\n" );
document.write( "7*1.12 - 3y = 19<BR>\n" );
document.write( "3y = 7.84 - 19 = - 11.16<BR>\n" );
document.write( "y = -3.72 <BR>\n" );
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