document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40719>Question 40719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Why do you think variables are useful in algebra </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26110 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=26110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> THINK OF THE UNKNOWN (TYPICALLY X)AS AN OBJECT. EXAMPLE: 12 EGGS COST $1.20 \r<BR>\n" );
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document.write( "THE EXPRESSION TO FIND THE PRICE OF AN EGG IS 12E=1.20 OR E=1.20/12 OR E=.10\r<BR>\n" );
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document.write( "MANY OF THESE SIMPLE PROBLEMS CAN BE SOLVED WITHOUT PENCIL & PAPER.\r<BR>\n" );
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document.write( "HOWEVER YOU NEED TO KNOW HOW TO SOLVE THEM WITH PENCIL & PAPER BECAUSE THERE ARE TOO MANY THAT THE MIND CAN'T HANDLE AND IF YOU MAKE A MISTAKE IT IS DIFFICULT TO FIND THE ERROR. ON PAPER YOU MIGHT FIND THE ERROR. <BR>\n" );
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