document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173029>Question 173029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please write the answer and show how you did it.. thnx<BR>\n" );
document.write( "1.. classify the system.. x-5=-y    with out graphing<BR>\n" );
document.write( "                          2y-10=-2x\r<BR>\n" );
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document.write( "solve each system..<BR>\n" );
document.write( "2.  y=2x+8<BR>\n" );
document.write( "    y=3x-1\r<BR>\n" );
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document.write( "3. 2x-y=2<BR>\n" );
document.write( "   2x-2y=4\r<BR>\n" );
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document.write( "4. -x+y=2<BR>\n" );
document.write( "   2x+y=-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #129658 by </B><A HREF=/tutors/aboutme.mpl?userid=nycsub_teacher><B>nycsub_teacher(90)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nycsub_teacher><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=129658\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve each system..<BR>\n" );
document.write( "2. y=2x+8<BR>\n" );
document.write( "y=3x-1 \r<BR>\n" );
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document.write( "I will only do this one and you must do the rest.\r<BR>\n" );
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document.write( "We have two equations where y is written in terms of x.\r<BR>\n" );
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document.write( "Equate both equations to find x.\r<BR>\n" );
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document.write( "2x + 8 = 3x - 1\r<BR>\n" );
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document.write( "2x - 3x = -8 - 1\r<BR>\n" );
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document.write( "-x = -9\r<BR>\n" );
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document.write( "x = -9/-1\r<BR>\n" );
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document.write( "x = 9/1\r<BR>\n" );
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document.write( "x = 9\r<BR>\n" );
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document.write( "Now that we know x = 9, plug that value for x into EITHER of the original equations given to find y.\r<BR>\n" );
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document.write( "I will use y = 2x + 8 but you can use the other equation as well.\r<BR>\n" );
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document.write( "y = 2(9) + 8\r<BR>\n" );
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document.write( "y = 18 + 8\r<BR>\n" );
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document.write( "y = 26\r<BR>\n" );
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document.write( "The solution for this system of equations in two variables is the point<BR>\n" );
document.write( "(9, 26). BOTH equations meet at the point (9, 26) and so this is why that point is the solution.\r<BR>\n" );
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document.write( "You can also write the answer as x = 9 and y = 26\r<BR>\n" );
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document.write( " </SPAN>\n" );
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