document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=247831>Question 247831</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to show this problem can be solved by substitution, can you please help me?  -4x + 2y = 16 and 3x -y = 2 These are systems of linear equations </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180664 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=180664\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -4x + 2y = 16 <BR>\n" );
document.write( "  3x -y = 2<BR>\n" );
document.write( "add y to both sides of equation 2<BR>\n" );
document.write( "subtract 2 from both sides of equation2<BR>\n" );
document.write( "y=3x-2<BR>\n" );
document.write( "substitute 3x-2 in equation 1 for y<BR>\n" );
document.write( "-4x + 2(3x-2) = 16 <BR>\n" );
document.write( "-4x+6x-4=16<BR>\n" );
document.write( "add 4 to both sides<BR>\n" );
document.write( "combine<BR>\n" );
document.write( "2x=20<BR>\n" );
document.write( "x=10<BR>\n" );
document.write( "y=3x-2<BR>\n" );
document.write( "y=30-2<BR>\n" );
document.write( "y=28<BR>\n" );
document.write( "check<BR>\n" );
document.write( "-4((10)+2(28)=16<BR>\n" );
document.write( "-40+56=16<BR>\n" );
document.write( "16=16<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );