document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286099>Question 286099</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using substitution method\r<BR>\n" );
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document.write( "7x+2y=-30<BR>\n" );
document.write( "x=42-8y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207457 by </B><A HREF=/tutors/aboutme.mpl?userid=mgmoeab><B>mgmoeab(37)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mgmoeab><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=mgmoeab><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=207457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are given:\r<BR>\n" );
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document.write( "(1) 7x+2y=-30<BR>\n" );
document.write( "(2)  x=42-8y\r<BR>\n" );
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document.write( "Substitute (2) in (1)\r<BR>\n" );
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document.write( "7 ( 42 -8y) + 2y = -30\r<BR>\n" );
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document.write( "Distributing:<BR>\n" );
document.write( " 294 - 56y + 2y = -30\r<BR>\n" );
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document.write( "Combining like-terms:\r<BR>\n" );
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document.write( "294 - 54y = -30\r<BR>\n" );
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document.write( "-54y = -324\r<BR>\n" );
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document.write( "y = 6 </SPAN>\n" );
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