document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72330>Question 72330</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following 2 x 2 systems using substitutions<BR>\n" );
document.write( "y= 3x - 3<BR>\n" );
document.write( "3x + 5y =57 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51797 by </B><A HREF=/tutors/aboutme.mpl?userid=elima><B>elima(1433)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=elima><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=51797\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y= 3x - 3<BR>\n" );
document.write( "3x + 5y =57<BR>\n" );
document.write( "Replace the y in the second equation with 3x-3;<BR>\n" );
document.write( "3x + 5(3x-3)=57<BR>\n" );
document.write( "distribute 5;<BR>\n" );
document.write( "3x + 15x - 15 =57<BR>\n" );
document.write( "add like terms and add 15 to both sides;<BR>\n" );
document.write( "18x=57+15<BR>\n" );
document.write( "18x = 72<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "Now replace x with 4;<BR>\n" );
document.write( "y=3(4)-3<BR>\n" );
document.write( "y = 12-3<BR>\n" );
document.write( "y=9<BR>\n" );
document.write( ":) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );