document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=351174>Question 351174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of two numbers are 72. Their difference is 48. Find the numbers.\r<BR>\n" );
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document.write( "so far i did , let x represent the first number<BR>\n" );
document.write( "let y represent the second number.\r<BR>\n" );
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document.write( "x+y=78<BR>\n" );
document.write( "x-y=48\r<BR>\n" );
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document.write( "now i have to solve it but i don't know if i did. <BR>\n" );
document.write( "thank you for helping. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #251002 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=251002\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi, your on the righ track.<BR>\n" );
document.write( "*Note: sum of the numbers is \"72\" , difference 48<BR>\n" );
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document.write( "x+y=72<BR>\n" );
document.write( "y = 72-x<BR>\n" );
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document.write( "x-y =48<BR>\n" );
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document.write( "Substitute for y<BR>\n" );
document.write( "x -(72-x) =48<BR>\n" );
document.write( "Simplify and solve<BR>\n" );
document.write( "x - 72 +x = 48<BR>\n" );
document.write( "2x = 120<BR>\n" );
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document.write( "x = 60<BR>\n" );
document.write( "y = 72 -60 = 12<BR>\n" );
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document.write( "check your answer<BR>\n" );
document.write( "60-12 = 48 </SPAN>\n" );
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