document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313476>Question 313476</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm very confused as to how to solve this problem; the example that goes with it is severely inadequate. A step-by-step-explanation would be greatly appreciated.\r<BR>\n" );
document.write( "\n" );
document.write( "\"Solve the system of equations by graphing.<BR>\n" );
document.write( "5x-9y=63<BR>\n" );
document.write( "5x=9y+63\"<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224122 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=224122\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the system of equations by graphing.<BR>\n" );
document.write( "5x-9y=63<BR>\n" );
document.write( "5x=9y+63<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "Put the equations in slope-intercept form:<BR>\n" );
document.write( "y = (5/9)x - 7<BR>\n" );
document.write( "y = (5/9)x - 7<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "The two equations are the same so the graphs are the same.<BR>\n" );
document.write( "Let x = 0, then y = -7 giving you point (0,-7)<BR>\n" );
document.write( "Let x = 9, then y = -2 giving you point (9,-2)<BR>\n" );
document.write( "----------------------------------------------------<BR>\n" );
document.write( "Plot the two points and draw a line thru them.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C%285%2F9%29x-7%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C%285%2F9%29x-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Solution: All points of the form (x, (5/9)x-7) where x is a Real Number.<BR>\n" );
document.write( "====================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );