document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=416229>Question 416229</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve this system by substitution?<BR>\n" );
document.write( "-2y=-x-7<BR>\n" );
document.write( "4x+2y=22 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #291636 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=291636\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -2y=-x-7<BR>\n" );
document.write( "divide by -1<BR>\n" );
document.write( "2y=x+7<BR>\n" );
document.write( "substitute the value of 2y in<BR>\n" );
document.write( "4x+2y=22<BR>\n" );
document.write( "4x+x+7 = 22<BR>\n" );
document.write( "5x+7=22<BR>\n" );
document.write( "5x=22-7<BR>\n" );
document.write( "5x=15<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( "y=5 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );