document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118542>Question 118542</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A poster in the shape of a triangle has one side that is five inches more the length of the shortest side, and another side that is three inches less than twice the shortest side. Find the dimensions of the poster if its perimeter is 42 inches </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86668 by </B><A HREF=/tutors/aboutme.mpl?userid=tutor_paul><B>tutor_paul(519)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutor_paul><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=tutor_paul><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=86668\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x, y and z be the three sides. From the information given, you know:\r<BR>\n" );
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document.write( "Equation#1: y=x+5<BR>\n" );
document.write( "Equation#2: z=2x-3<BR>\n" );
document.write( "Equation#3: x+y+z=42\r<BR>\n" );
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document.write( "You have three equations and three unknowns. Anytime you have at least as many equations as you have unknowns, you can solve the problem!\r<BR>\n" );
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document.write( "Use substitution methods like this to do it:<BR>\n" );
document.write( "First, substitute the expressions for x and y in Equations #1 and #2 into Equation #3. You get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Bx%2B5%2B2x-3=42 ALIGN=MIDDLE  ALT=\"x%2Bx%2B5%2B2x-3=42\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%2B2=42 ALIGN=MIDDLE  ALT=\"4x%2B2=42\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x=40 ALIGN=MIDDLE  ALT=\"4x=40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=10%29 ALIGN=MIDDLE  ALT=\"highlight%28x=10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So you have one side... plug this value of x into Equations #1 and Equation #2, solve for y and z respectively, and you are done. I will leave that part to you.<BR>\n" );
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document.write( "Good Luck,<BR>\n" );
document.write( "tutor_paul@yahoo.com<BR>\n" );
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