document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165969>Question 1165969</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A scale balances only when three gold bars are on one side and one gold bar and a ten kilogram weight on other.  Determine weight of one gold bar.  Note:  All gold bars have equal weight.\r<BR>\n" );
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document.write( "Not sure how to solve.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790433 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=790433\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let the weight of one gold bar equal x kilograms.\r<BR>\n" );
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document.write( "on one side, you have 3 gold bars, so the expression is 3 * x<BR>\n" );
document.write( "on the other side, you have 1 gold bar + 10 kg, so the expression is x + 10\r<BR>\n" );
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document.write( "to be balanced, the weight on one side of the scale needs to be equal to the weight on the other side of the scale.\r<BR>\n" );
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document.write( "you get:<BR>\n" );
document.write( "3x = x + 10<BR>\n" );
document.write( "subtract x from both sides of this equation to get:<BR>\n" );
document.write( "2x = 10<BR>\n" );
document.write( "solve for x to get:<BR>\n" );
document.write( "x = 5\r<BR>\n" );
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document.write( "each gold bar weights 5 kg.<BR>\n" );
document.write( "one side of the scale = 3 * 5 = 15 kg.<BR>\n" );
document.write( "the other side of the scale = 1 * 5 + 10 = 15 kg.<BR>\n" );
document.write( "the scale is balanced.\r<BR>\n" );
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document.write( "your solution is that the weight of one gold bar is 5 kg.\r<BR>\n" );
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