document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392770>Question 392770</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How is solving for a specified variable in a formula similar to finding a solution for an equation or inequality? How is it different? Demonstrate how to solve a formula for a variable by creating an example. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278870 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278870\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "With a formula, you know the variable's value, and you have to calculate the value of the function of it. A formula is an equation that involves two or more variables that have a specific relationship with each other.\r<BR>\n" );
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document.write( "With an equation, you know the function's value, and you have to calculate the value of the variable.\r<BR>\n" );
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document.write( "Example :   Solve the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2L+%2B+2W ALIGN=MIDDLE  ALT=\"P+=+2L+%2B+2W\"   DISABLED_style= \"max-width:90%; height:auto;\" > for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L ALIGN=MIDDLE  ALT=\"L\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Do you recognize this formula?\r<BR>\n" );
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document.write( "This happens to be the formula for the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=perimeter ALIGN=MIDDLE  ALT=\"perimeter\"   DISABLED_style= \"max-width:90%; height:auto;\" > of a <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rectangle ALIGN=MIDDLE  ALT=\"rectangle\"   DISABLED_style= \"max-width:90%; height:auto;\" >,\r<BR>\n" );
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document.write( " where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+perimeter ALIGN=MIDDLE  ALT=\"P+=+perimeter\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+length ALIGN=MIDDLE  ALT=\"L+=+length\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W+=+width ALIGN=MIDDLE  ALT=\"W+=+width\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "In this problem, we need to solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L ALIGN=MIDDLE  ALT=\"L\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  This means we need to get \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L ALIGN=MIDDLE  ALT=\"L\"   DISABLED_style= \"max-width:90%; height:auto;\" > on one side and EVERYTHING ELSE on the other side using <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=inverse+%0D%0A%0D%0A ALIGN=MIDDLE  ALT=\"inverse+%0D%0A%0D%0A\"   DISABLED_style= \"max-width:90%; height:auto;\" >operations.\r<BR>\n" );
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document.write( "Let’s solve this formula for<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+L ALIGN=MIDDLE  ALT=\"+L\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2L+%2B+2W ALIGN=MIDDLE  ALT=\"P+=+2L+%2B+2W\"   DISABLED_style= \"max-width:90%; height:auto;\" >...........<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+-2W++=+2L+%2B+2W+-+2W ALIGN=MIDDLE  ALT=\"P+-2W++=+2L+%2B+2W+-+2W\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........Inverse of add <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2W ALIGN=MIDDLE  ALT=\"2W\"   DISABLED_style= \"max-width:90%; height:auto;\" > is subtract <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2W ALIGN=MIDDLE  ALT=\"2W\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+-2W++=+2L+ ALIGN=MIDDLE  ALT=\"P+-2W++=+2L+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28P+-2W%29%2F2++=+2L+%2F2 ALIGN=MIDDLE  ALT=\"%28P+-2W%29%2F2++=+2L+%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >..................Inverse of multiply by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is \r<BR>\n" );
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document.write( "divide by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28P+-2W%29%2F2++=+L+ ALIGN=MIDDLE  ALT=\"%28P+-2W%29%2F2++=+L+\"   DISABLED_style= \"max-width:90%; height:auto;\" >..............................Formula solved for L<BR>\n" );
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