document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=185375>Question 185375</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello my name is Aaliyah and I really need help on this problem.<BR>\n" );
document.write( "2x-5y=-158<BR>\n" );
document.write( "x-y=-40<BR>\n" );
document.write( "But it will not show me how to do it or anything and really need it, because i am a 7th grader and i am really smart but just do not get this problem at all, and my math class is all 9th graders, only me and three other 7th grade girls are in this honorable class. So please help. Thankyou very much!!!!!!!!!!!!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139075 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=139075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are several ways to solve the system: elimination, graphing, and substitution are three of the ways.<BR>\n" );
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document.write( "I'll use elimination:\r<BR>\n" );
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document.write( "2x-5y=-158<BR>\n" );
document.write( "x-y=-40<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Multiply thru the 2nd equation by 2 to set it up for elimination of the x terms.<BR>\n" );
document.write( "2x - 5y = -158<BR>\n" );
document.write( "2x - 2y =  -80<BR>\n" );
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document.write( "Subtract the top equation from the bottom equation to solve for \"y\":<BR>\n" );
document.write( "3y = 78<BR>\n" );
document.write( "y = 26<BR>\n" );
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document.write( "Substitute that value of \"y\" into x - y = -40 to solve for \"x\":<BR>\n" );
document.write( "x - 26 = -40<BR>\n" );
document.write( "x = - 14<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "The solution is (-14,26)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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