document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=222199>Question 222199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -2 x - 2 y =5<BR>\n" );
document.write( "8 x+ 8 y=-20\r<BR>\n" );
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document.write( "Having a hard time with these. thanks for all help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166429 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=166429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  -2 x - 2 y =5<BR>\n" );
document.write( "8 x+ 8 y=-20<BR>\n" );
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document.write( "Multiply thru 1st by 4 to get:<BR>\n" );
document.write( "-8x -8y = 20<BR>\n" );
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document.write( "Add that to the 2nd equation to get<BR>\n" );
document.write( "0 + 0 = 0<BR>\n" );
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document.write( "That means the two equations are really the same.<BR>\n" );
document.write( "Solve one of them for y and you get y = -x-(5/2)<BR>\n" );
document.write( "Solution: (x , -x-(5/2)) for x = any Real Number<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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