document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106105>Question 106105</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a question on solving a problem on (solving systems using substitution)<BR>\n" );
document.write( "the problem is: y=5x+5 <BR>\n" );
document.write( "                y=15x-1 (solve using substitution)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77197 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=77197\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When you solve by subsitution, you use one equation to solve for one of the unknown variables and then substitute that solution in your other equation. <BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=5x%2B5 ALIGN=MIDDLE  ALT=\"y=5x%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=15x-1 ALIGN=MIDDLE  ALT=\"y=15x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let's use equation 1 and substitute the value for y in equation 2. <BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=15x-1 ALIGN=MIDDLE  ALT=\"y=15x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285x%2B5%29=15x-1 ALIGN=MIDDLE  ALT=\"%285x%2B5%29=15x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute for y using Eq. 1. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x%2B5-15x=15x-15x-1 ALIGN=MIDDLE  ALT=\"5x%2B5-15x=15x-15x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use the additive inverse of 15x. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-10x%2B5=-1 ALIGN=MIDDLE  ALT=\"-10x%2B5=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-10x%2B5-5=-1-5 ALIGN=MIDDLE  ALT=\"-10x%2B5-5=-1-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use the additive inverse of 5. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-10x=-6 ALIGN=MIDDLE  ALT=\"-10x=-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-10x%2F%28-10%29=-6%2F-10 ALIGN=MIDDLE  ALT=\"-10x%2F%28-10%29=-6%2F-10\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiplicative inverse of -10. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=6%2F10 ALIGN=MIDDLE  ALT=\"x=6%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" >Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=3%2F5 ALIGN=MIDDLE  ALT=\"x=3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >Lowest terms. <BR>\n" );
document.write( "Now that you have a value for x, plug the value into either Equation 1 or Equation 2 and solve for y.<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=5x%2B5 ALIGN=MIDDLE  ALT=\"y=5x%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=5%283%2F5%29%2B5 ALIGN=MIDDLE  ALT=\"y=5%283%2F5%29%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=3%2B5 ALIGN=MIDDLE  ALT=\"y=3%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=8 ALIGN=MIDDLE  ALT=\"y=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Always check your answers.<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=5x%2B5 ALIGN=MIDDLE  ALT=\"y=5x%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=5%283%2F5%29%2B5 ALIGN=MIDDLE  ALT=\"8=5%283%2F5%29%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=3%2B5 ALIGN=MIDDLE  ALT=\"8=3%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=8 ALIGN=MIDDLE  ALT=\"8=8\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Good answer.<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=15x-1 ALIGN=MIDDLE  ALT=\"y=15x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=15%283%2F5%29-1 ALIGN=MIDDLE  ALT=\"8=15%283%2F5%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=9-1 ALIGN=MIDDLE  ALT=\"8=9-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8=8 ALIGN=MIDDLE  ALT=\"8=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Good answer. <BR>\n" );
document.write( "Your solution is x=3/5, y=8.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );