document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421503>Question 421503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by the substitution method.\r<BR>\n" );
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document.write( "3x+8y=-5<BR>\n" );
document.write( "x=3-5y\r<BR>\n" );
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document.write( "the solution is?<BR>\n" );
document.write( "or there is no solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294464 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=294464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve by the substitution method.<BR>\n" );
document.write( "3x + 8y = -5<BR>\n" );
document.write( "x = (3-5y); use this for substitution in the 1st equation<BR>\n" );
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document.write( "Replace x with (3-5y)<BR>\n" );
document.write( "3(3-5y) + 8y = -5<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Multiply what's inside the brackets by 3,<BR>\n" );
document.write( "9 - 15y + 8y = -5<BR>\n" );
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document.write( "Subtract 9 from both sides<BR>\n" );
document.write( "-15y + 8y = -5 - 9 <BR>\n" );
document.write( "-7y = -14<BR>\n" );
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document.write( "divide both sides by -7<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-14%29%2F%28-7%29 ALIGN=MIDDLE  ALT=\"%28-14%29%2F%28-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y = +2<BR>\n" );
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document.write( "Find x using the 2nd equation, replace y with 2<BR>\n" );
document.write( "x = 3 - 5(2)<BR>\n" );
document.write( "x = 3 - 10<BR>\n" );
document.write( "x = -7<BR>\n" );
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document.write( "Check solution using the 1st equation<BR>\n" );
document.write( "3x + 8y = -5<BR>\n" );
document.write( "replace x with -7, y with 2<BR>\n" );
document.write( "3(-7) + 8(2) = <BR>\n" );
document.write( "-21 + 16 = -5; confirms our solutions of x=-7, y=2<BR>\n" );
document.write( " </SPAN>\n" );
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