document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=878846>Question 878846</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use the addition-subtraction method to solve.<BR>\n" );
document.write( "2x+5y=15<BR>\n" );
document.write( "3x+5y=10\r<BR>\n" );
document.write( "\n" );
document.write( "here,s what i came up with:<BR>\n" );
document.write( "15-2x=10-3x             2(-5)+5y=15<BR>\n" );
document.write( "x=-5                    -10+5y=15  <BR>\n" );
document.write( "                        5y=25<BR>\n" );
document.write( "                        y=5\r<BR>\n" );
document.write( "\n" );
document.write( "how do i check to see if my answer is correct?<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 #530338 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=530338\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "use the addition-subtraction method to solve.<BR>\n" );
document.write( "2x+5y=15<BR>\n" );
document.write( "3x+5y=10\r<BR>\n" );
document.write( "\n" );
document.write( "here,s what i came up with:<BR>\n" );
document.write( "15-2x=10-3x             2(-5)+5y=15<BR>\n" );
document.write( "x=-5                    -10+5y=15  <BR>\n" );
document.write( "                        5y=25<BR>\n" );
document.write( "                        y=5\r<BR>\n" );
document.write( "\n" );
document.write( "how do i check to see if my answer is correct?<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><BR>\n" );
document.write( "All these steps are TOTALLY UNNECESSARY!!<BR>\n" );
document.write( " 2x + 5y = 15 ------- eq (i)<BR>\n" );
document.write( " 3x + 5y = 10 ------- eq (ii)<BR>\n" );
document.write( "- x      = 5 ------- Subtracting eq (ii) from eq (i)<BR>\n" );
document.write( "       <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28x+=+-+5%29 ALIGN=MIDDLE  ALT=\"highlight_green%28x+=+-+5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "2(- 5) + 5y = 15 ------- Substituting - 5 for x in eq (i)<BR>\n" );
document.write( "  - 10 + 5y = 15<BR>\n" );
document.write( "         5y = 15 + 10<BR>\n" );
document.write( "         5y = 25<BR>\n" );
document.write( "          <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+25%2F5 ALIGN=MIDDLE  ALT=\"y+=+25%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%285%29 ALIGN=MIDDLE  ALT=\"highlight_green%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now substitute - 5 for x, and 5 for y in either eq (i) or (ii). If the equation proves true after doing<BR>\n" );
document.write( "this, then the solutions are CORRECT.\r<BR>\n" );
document.write( "\n" );
document.write( "IT IS THAT SIMPLE!! Don't make things SO DIFFICULT for yourself!!\r<BR>\n" );
document.write( "\n" );
document.write( "Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com.<BR>\n" );
document.write( "Further help is available, online or in-person, for a fee, obviously.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );