document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=244256>Question 244256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve\r<BR>\n" );
document.write( "\n" );
document.write( "y=2x+7<BR>\n" );
document.write( "3x-y=-9\r<BR>\n" );
document.write( "\n" );
document.write( "i have tried to solve it but cant get it right and i dont know what im doing wrong </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #178735 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=178735\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=2x+7<BR>\n" );
document.write( "3x-y=-9<BR>\n" );
document.write( "add y to both sides<BR>\n" );
document.write( "add 9 to both sides<BR>\n" );
document.write( "3x+9=y<BR>\n" );
document.write( "equate the two<BR>\n" );
document.write( "3x+9=2x+7<BR>\n" );
document.write( "substract 2x from both sides<BR>\n" );
document.write( "x+9=7<BR>\n" );
document.write( "substract 9 from both sides<BR>\n" );
document.write( "x=-2<BR>\n" );
document.write( "y=2(-2)+7<BR>\n" );
document.write( "y=3<BR>\n" );
document.write( "check\r<BR>\n" );
document.write( "\n" );
document.write( "3(-2)-3=-9<BR>\n" );
document.write( "-6-3=-9<BR>\n" );
document.write( "-9=-9<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );