document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=62317>Question 62317</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0030540844/algebrahomeworkh>Holt, Rinehart and Winston Algebra2 pratice workbook</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solving systems by elimination\r<BR>\n" );
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document.write( "how do i solve this:\r<BR>\n" );
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document.write( "{2 over 3x -3y = 1 over 5<BR>\n" );
document.write( "{2x-9y =4\r<BR>\n" );
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document.write( "i know you have to find out what x and y equiels to but i don't know how. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #43184 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=43184\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solving systems by elimination <BR>\n" );
document.write( "how do i solve this: <BR>\n" );
document.write( "{2 over 3x -3y = 1 over 5<BR>\n" );
document.write( "{2x-9y = 4 <BR>\n" );
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document.write( "Here is the 1st equation as I understand it:<BR>\n" );
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document.write( "It is easier to deal with if we get rid of the denominators,<BR>\n" );
document.write( " mult the equation by 15 (common denominator of 3 & 5)and we have:<BR>\n" );
document.write( "10x - 45y = 3<BR>\n" );
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document.write( "The 2nd equation:<BR>\n" );
document.write( " 2x - 9y = 4<BR>\n" );
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document.write( "In order to eliminate one of the unknowns we can make them equal by multiplying<BR>\n" );
document.write( "one or both equations, then subtracting:<BR>\n" );
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document.write( "Leave the 1st equation as it is, and mult the 2nd equation by 5, we have;<BR>\n" );
document.write( "10x - 45y = 3<BR>\n" );
document.write( "10x - 45y = 20<BR>\n" );
document.write( "---------------- subtract<BR>\n" );
document.write( "0x + 0 y = -17<BR>\n" );
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document.write( "The problem here is we eliminated both unknowns, this tells us there is no<BR>\n" );
document.write( "solution to this system of equations. If you plotted these, you would find<BR>\n" );
document.write( "that the lines are parallel, (have the same slope).  <BR>\n" );
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