document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=571830>Question 571830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can you use y=43+5x to solve 78=43+5x? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368197 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=368197\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "We can set this y=43+5x  78=43+5x up as:<BR>\n" );
document.write( "78=43+5x<BR>\n" );
document.write( "Subtract 43 from each side:<BR>\n" );
document.write( "35=5x<BR>\n" );
document.write( "Now we could substitute this into the first equation:<BR>\n" );
document.write( "y=43+35<BR>\n" );
document.write( "Add and we get:<BR>\n" );
document.write( "y=78<BR>\n" );
document.write( "Or, a quicker way is substitute 43+5x into the first and we get:<BR>\n" );
document.write( "y=78<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );