document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=373966>Question 373966</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this question:\r<BR>\n" );
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document.write( "Solve using the substitution method:\r<BR>\n" );
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document.write( "r=-3s<BR>\n" );
document.write( "r+4s=10\r<BR>\n" );
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document.write( "I don't understand how to write it out or what numbers to use.\r<BR>\n" );
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document.write( "Thanks,\r<BR>\n" );
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document.write( "Deb </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #266152 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=266152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve using the substitution method: <BR>\n" );
document.write( "r=-3s<BR>\n" );
document.write( "r+4s=10 <BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Sub for r in the 2nd equation<BR>\n" );
document.write( "r + 4s = 10<BR>\n" );
document.write( "-3s + 4s = 10<BR>\n" );
document.write( "s = 10<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "r = -3s<BR>\n" );
document.write( "r = -30<BR>\n" );
document.write( " </SPAN>\n" );
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