document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757790>Question 757790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Substitution:<BR>\n" );
document.write( "2x + y = 10<BR>\n" );
document.write( "y = 8 - x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461097 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=461097\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Substitution:<BR>\n" );
document.write( "2x + y = 10<BR>\n" );
document.write( "y = 8 - x\r<BR>\n" );
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document.write( "Substitute y = 8 - x into equation (1).\r<BR>\n" );
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document.write( "2x + y = 10\r<BR>\n" );
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document.write( "2x + (8 - x) = 10\r<BR>\n" );
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document.write( "2x + 8 - x = 10\r<BR>\n" );
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document.write( "2x - x = x\r<BR>\n" );
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document.write( "x + 8 = 10\r<BR>\n" );
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document.write( "Subtract 8 from each side of the equation.\r<BR>\n" );
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document.write( "x + 8 - 8 = 10 - 8\r<BR>\n" );
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document.write( "x = 2\r<BR>\n" );
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document.write( "Substitue x = 2 into equation (1).\r<BR>\n" );
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document.write( "2x + y = 10\r<BR>\n" );
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document.write( "2(2) + y = 10\r<BR>\n" );
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document.write( "4 + y = 10\r<BR>\n" );
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document.write( "Subtract 4 from each side of the equation.\r<BR>\n" );
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document.write( "4 + y - 4 = 10 - 4\r<BR>\n" );
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document.write( "y = 6\r<BR>\n" );
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document.write( "Check:\r<BR>\n" );
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document.write( "y = 8 -x\r<BR>\n" );
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document.write( "6 = 8 - 2\r<BR>\n" );
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document.write( "6 = 6\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "x = 2 and\r<BR>\n" );
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document.write( "y = 6\r<BR>\n" );
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document.write( "Lennox Obuong<BR>\n" );
document.write( "Algebra Tutor<BR>\n" );
document.write( "Nairobi, Kenya<BR>\n" );
document.write( "Email: lennoxobuong@yahoo.com </SPAN>\n" );
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