document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144674>Question 144674</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have 3 parts to my question:  <BR>\n" );
document.write( "A person cuts a board into two pieces that are equal in length.  The first piece is 3 times the length of the person's forearm minus 1 inch.  The second piece is 5 times the length of the person's forearm plus 15 inches.\r<BR>\n" );
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document.write( "I have to <BR>\n" );
document.write( "1.) Construct a linear equation that represents this situation using x as the variable for the person's forearm.<BR>\n" );
document.write( "2) Solve the linear equation algebraically and graphically to find the length of the person's forearm.<BR>\n" );
document.write( "3.) Discuss whether or not my answer is reasonable.\r<BR>\n" );
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document.write( "So, here is what I have come up with thus far...<BR>\n" );
document.write( "x=3x-1+5x+15<BR>\n" );
document.write( "x=8x+14 (combine like terms)<BR>\n" );
document.write( "x=8x-8x+14<BR>\n" );
document.write( "x-8x=14<BR>\n" );
document.write( "-7x=14<BR>\n" );
document.write( "(Divided by -7)<BR>\n" );
document.write( "x=-2\r<BR>\n" );
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document.write( "And this is where I get lost.  If my answer is correct I then substituted my answer  of -2 into each equation:<BR>\n" );
document.write( "3x-1=x<BR>\n" );
document.write( "3(-2)-1=x<BR>\n" );
document.write( "-6-1=x<BR>\n" );
document.write( "-7=x\r<BR>\n" );
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document.write( "5x+15=x<BR>\n" );
document.write( "5(-2)+15=x<BR>\n" );
document.write( "-10+15=x<BR>\n" );
document.write( "5=x\r<BR>\n" );
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document.write( "I am confused as to how to graph my equation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #105421 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=105421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the two pieces of wood be y and z. Let x be the forearm\r<BR>\n" );
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document.write( "The system of equations is as :<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+3x+-1 ALIGN=MIDDLE  ALT=\"y+=+3x+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+5x+%2B+15 ALIGN=MIDDLE  ALT=\"z+=+5x+%2B+15\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the graph is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28600%2C+400%2C+-10%2C+10+%2C+-30%2C+10%2C+3x-1%2C+5x+%2B+15%29 ALIGN=MIDDLE  ALT=\"graph%28600%2C+400%2C+-10%2C+10+%2C+-30%2C+10%2C+3x-1%2C+5x+%2B+15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Is the answer reasonable? No. The value where to two plots meet yields <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-8 ALIGN=MIDDLE  ALT=\"x=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "No one has a forearm that is negative in size. </SPAN>\n" );
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