document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120231>Question 120231</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <b>how do you solve/graph 2x - 7 = 0</b> </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88113 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=88113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-7=0 ALIGN=MIDDLE  ALT=\"2x-7=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "To solve this equation for x, first get rid of the -7 on the left side. You can do that by<BR>\n" );
document.write( "adding +7 to both sides. Adding +7 to the left side cancels the -7 on the left side and<BR>\n" );
document.write( "the equation becomes:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+=+%2B7 ALIGN=MIDDLE  ALT=\"2x+=+%2B7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "Now solve for x by dividing both sides by 2 and you have:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+7%2F2+=+3.5 ALIGN=MIDDLE  ALT=\"x+=+7%2F2+=+3.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "This means that x is always 3.5 ... so any point that has 3.5 for its x value will satisfy<BR>\n" );
document.write( "the equation you were originally given.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "As examples, all of the following points would satisfy the original equation:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "(3.5, 10)<BR>\n" );
document.write( "(3.5, 0)<BR>\n" );
document.write( "(3.5, -15)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "because each of those points has an x value of 3.5<BR>\n" );
document.write( ".<BR>\n" );
document.write( "How would the graph look on a coordinate system? <BR>\n" );
document.write( ".<BR>\n" );
document.write( "If you plotted the three points above (and any other point that has 3.5 as its value for x) <BR>\n" );
document.write( "the points would line up vertically through the point +3.5 on the x-axis, and the graph <BR>\n" );
document.write( "would look like:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-2%2C5%2C-25%2C25%2C6000%28x-3.5%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-2%2C5%2C-25%2C25%2C6000%28x-3.5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "Hope this helps you to understand the problem. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );