document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=284345>Question 284345</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y = 3x + 7 and x + 2y = -10\r<BR>\n" );
document.write( "\n" );
document.write( "a.Do the lines intersect? Explain why. If the lines do intersect, find the point of intersection.<BR>\n" );
document.write( "I dont want the answer only a guide on how to begin to solve the answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206342 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=206342\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=3x+7<BR>\n" );
document.write( "x+2y=-10<BR>\n" );
document.write( "plug 3x+7 in for y in the second equation<BR>\n" );
document.write( "x+2*(3x+7)=-10<BR>\n" );
document.write( "solve for x<BR>\n" );
document.write( "x+6x+14=-10<BR>\n" );
document.write( "7x=-24<BR>\n" );
document.write( "x=-24/7\r<BR>\n" );
document.write( "\n" );
document.write( "-24/7+2y=-10<BR>\n" );
document.write( "add 10<BR>\n" );
document.write( "10-24/7=-2y<BR>\n" );
document.write( "divide by -2<BR>\n" );
document.write( "-5+12/7=y<BR>\n" );
document.write( "-35/7+12/7=y<BR>\n" );
document.write( "-23/7=y<BR>\n" );
document.write( "x=-24/7<BR>\n" );
document.write( "strange answers but correct<BR>\n" );
document.write( "they intersect at (-24/7,-23/7)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );