document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1049960>Question 1049960</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve this system of equations using substitution.\r<BR>\n" );
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document.write( "a + b + c = 180<BR>\n" );
document.write( "----------b = 3a<BR>\n" );
document.write( "----------c = 5a </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #665551 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=665551\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve this system of equations using substitution. <BR>\n" );
document.write( "a + b + c = 180<BR>\n" );
document.write( "----------b = 3a<BR>\n" );
document.write( "----------c = 5a <BR>\n" );
document.write( "------<BR>\n" );
document.write( "Substitute for \"b\" and \"c\"; solve for \"a\"::<BR>\n" );
document.write( "a + 3a + 5a = 150<BR>\n" );
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document.write( "9a = 150<BR>\n" );
document.write( "a = 50/3<BR>\n" );
document.write( "------<BR>\n" );
document.write( "b = 2a = 3(50/3) = 50<BR>\n" );
document.write( "c = 5a = 5(50/3) = 250/3<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );