document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1204538>Question 1204538</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by substitution.\r<BR>\n" );
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document.write( "y=−4x<BR>\n" );
document.write( "y=3x+28 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #840845 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16949)</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=840845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the system by substitution.<BR>\n" );
document.write( "y=−4x<BR>\n" );
document.write( "y=3x+28\r<BR>\n" );
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document.write( "substitute y in y=3x+28\r<BR>\n" );
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document.write( "-4x =3x+28\r<BR>\n" );
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document.write( "subtract 3x from both sides\r<BR>\n" );
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document.write( "-4x-3x = 3x-3x+28\r<BR>\n" );
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document.write( "-7x = 28\r<BR>\n" );
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document.write( "/-7\r<BR>\n" );
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document.write( "x = 28/-7\r<BR>\n" );
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document.write( "x=-4\r<BR>\n" );
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document.write( "y=-4x\r<BR>\n" );
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document.write( "y=(-4)(-4)=16\r<BR>\n" );
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document.write( " The solution <BR>\n" );
document.write( "x = -4<BR>\n" );
document.write( "y = 16\r<BR>\n" );
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document.write( " </SPAN>\n" );
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