document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=616081>Question 616081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Four times a certain number plus that number equals 50. What is that number ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387475 by </B><A HREF=/tutors/aboutme.mpl?userid=dragonwalker><B>dragonwalker(73)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dragonwalker><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=387475\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Give the number a letter, let us call it 'a'.\r<BR>\n" );
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document.write( "So we know that 4 times 'a' plus 'a' equals 50\r<BR>\n" );
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document.write( "We can write that as 4a + a = 50\r<BR>\n" );
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document.write( "we now have to add how many a's so we have 4a + 1a which equals 5a\r<BR>\n" );
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document.write( "so 5a=50\r<BR>\n" );
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document.write( "but we want to know what 'a' alone is so:\r<BR>\n" );
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document.write( "To find this we have to change 5a to 1a and we do that by dividing both sides by 5\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5a%2F5=50%2F5 ALIGN=MIDDLE  ALT=\"5a%2F5=50%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so:\r<BR>\n" );
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document.write( "a = 10 </SPAN>\n" );
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