document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=396392>Question 396392</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use substitution to solve each system of equations. If the system does NOT have exactly one solution, state whether it has NO solutions, or INFINITELY MANY solutions. <BR>\n" );
document.write( "1.) y=7-x<BR>\n" );
document.write( "     2x-y=8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281195 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=281195\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use substitution to solve each system of equations. If the system does NOT have exactly one solution, state whether it has NO solutions, or INFINITELY MANY solutions. <BR>\n" );
document.write( "1.) <BR>\n" );
document.write( "y=7-x<BR>\n" );
document.write( "2x-y=8<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Substitute for \"y\" and solve for \"x\":<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2x -(7-x) = 8<BR>\n" );
document.write( "2x + x -7 = 8<BR>\n" );
document.write( "3x = 15<BR>\n" );
document.write( "x = 5<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "y = 7-x<BR>\n" );
document.write( "y = 7-5<BR>\n" );
document.write( "y = 2<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Solution: (5,2)<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );