document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=394043>Question 394043</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4x-7y=10<BR>\n" );
document.write( "y=x-7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279569 by </B><A HREF=/tutors/aboutme.mpl?userid=pie90010><B>pie90010(44)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=pie90010><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=279569\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Im guessing its telling you to solve using substitution ?<BR>\n" );
document.write( "Well your lucky, most of the work is already done :D<BR>\n" );
document.write( "you know y=x-7 , so just replace y with (x - 7) in the other equation<BR>\n" );
document.write( "4x - 7(x-7) = 10<BR>\n" );
document.write( "4x - 7x + 49 = 10<BR>\n" );
document.write( "-3x = -39<BR>\n" );
document.write( "x = 13\r<BR>\n" );
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document.write( "Now just plug X in the original equation to fine Y \r<BR>\n" );
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document.write( "y = x - 7<BR>\n" );
document.write( "y = 13 - 7<BR>\n" );
document.write( "y = 6\r<BR>\n" );
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document.write( "so the solution would be \r<BR>\n" );
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document.write( "(13,6) </SPAN>\n" );
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