document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=632979>Question 632979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4x-y=5<BR>\n" );
document.write( "9x-2y=13 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #398639 by </B><A HREF=/tutors/aboutme.mpl?userid=lenny460><B>lenny460(1073)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lenny460><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=lenny460><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=398639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x-y=5<BR>\n" );
document.write( "9x-2y=13\r<BR>\n" );
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document.write( "4x - y = 5 (1)\r<BR>\n" );
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document.write( "9x - 2y = 13 (2)\r<BR>\n" );
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document.write( "Let's take the first equation:\r<BR>\n" );
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document.write( "4x - y = 5\r<BR>\n" );
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document.write( "Add y to each side of the equation.\r<BR>\n" );
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document.write( "4x - y + y = 5 + y\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "-y + y = 0\r<BR>\n" );
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document.write( "Therefore:\r<BR>\n" );
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document.write( "4x = 5 + y\r<BR>\n" );
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document.write( "Divide each side by 4\r<BR>\n" );
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document.write( "4x/x = (5 + y)/4\r<BR>\n" );
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document.write( "x = (5 + y)/4\r<BR>\n" );
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document.write( "Substitute x = (5 + y)/4 into the second equation:\r<BR>\n" );
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document.write( "9x - 2y = 13\r<BR>\n" );
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document.write( "9(5 + y)/4 - 2y = 13\r<BR>\n" );
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document.write( "Multiply each item above by 4\r<BR>\n" );
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document.write( "9(5 + y)/4 * 4 - 2y * 4 = 13 * 4\r<BR>\n" );
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document.write( "9(5 + y)/4 * 4 = 9(5 + y)\r<BR>\n" );
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document.write( "9 * 5 = 45\r<BR>\n" );
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document.write( "9 * y = 9y\r<BR>\n" );
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document.write( "-2y * 4 = -8y\r<BR>\n" );
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document.write( "13 * 4 = 52\r<BR>\n" );
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document.write( "Therefore:\r<BR>\n" );
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document.write( "45 + 9y - 8y = 52\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "9y - 8y = 1y\r<BR>\n" );
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document.write( "45 - 1y = 52\r<BR>\n" );
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document.write( "Subtract 45 from each side of the equation.\r<BR>\n" );
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document.write( "45 - 1y - 45 = 52 - 45\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "45 - 45 = 0\r<BR>\n" );
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document.write( "52 - 45 = 7\r<BR>\n" );
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document.write( "1y = 7 or\r<BR>\n" );
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document.write( "y = 7\r<BR>\n" );
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document.write( "Substitute y = 7 into equation 1\r<BR>\n" );
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document.write( "4x - y = 5\r<BR>\n" );
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document.write( "4x - 7 = 5\r<BR>\n" );
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document.write( "Add 7 to each side of the equation.\r<BR>\n" );
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document.write( "4x - 7 + 7 = 5 + 7\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "-7 + 7 = 0\r<BR>\n" );
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document.write( "5 + 7 = 12\r<BR>\n" );
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document.write( "4x = 12\r<BR>\n" );
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document.write( "Divide each side by 4\r<BR>\n" );
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document.write( "4x/4 = 12/4\r<BR>\n" );
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document.write( "x = 3\r<BR>\n" );
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document.write( "The Answer:\r<BR>\n" );
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document.write( "x = 3\r<BR>\n" );
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document.write( "y = 7\r<BR>\n" );
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document.write( "Lennox Obuong<BR>\n" );
document.write( "Algebra Student<BR>\n" );
document.write( "Email: obuong3@aol.com\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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