document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70953>Question 70953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is (4,0) (5,4) ordered pairs solutions for 4x-y=16 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #50693 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=50693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-y=16 ALIGN=MIDDLE  ALT=\"4x-y=16\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the two points (4, 0) and (5, 4)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "If the two points are a solution for the equation, their x and y values can be put into the equation <BR>\n" );
document.write( "and it will cause the left side of the equation to equal the right side of the equation.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let's see if the ordered point (4, 0) is a solution. This point has an x value of 4 and a y value <BR>\n" );
document.write( "of 0. So replace x in the equation by 4 and y by 0.  The equation then becomes:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A4+-+0+=+16 ALIGN=MIDDLE  ALT=\"4%2A4+-+0+=+16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "In your head you can multiply 4*4 and subtract zero and tell that the point (4, 0) has to be <BR>\n" );
document.write( "a solution of the equation because the value of the left side equals the 16 on the right side.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Now let's try the other ordered point (5, 4). In this point, x = 5 and y = 4. Substitute 5 <BR>\n" );
document.write( "for x and 4 for y in the equation to get:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A5+-+4+=+16 ALIGN=MIDDLE  ALT=\"4%2A5+-+4+=+16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "If you multiply 4 times 5 and subtract 4 from that answer you can see that the left side again <BR>\n" );
document.write( "equals the right side. So this ordered pair also satisfies the equation.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The answer is that both points satisfy the equation.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Hope this helps you to see what the problem was asking you to do.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );