document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=227055>Question 227055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> triangle yzx given has 3 congruent angles 60 degrees top leg = 8. another leg = 3x-y, last leg is x + 3y + 2. find x and y.  This is section 4.4 masters level b p.71 using triangle congruence holt 2004 problem 5. I have the answer which is x = 3 y = 1 but have no idea how they get there and I have to teach my son. Thanks for any help in understanding its been 30 something years. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #168855 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=168855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the triangle has three equal angles, so it also has three equal sides\r<BR>\n" );
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document.write( "8 = 3x + y = x + 3y + 2\r<BR>\n" );
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document.write( "3x + y = 8 ___ y = 8 - 3x\r<BR>\n" );
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document.write( "x + 3y + 2 = 8 ___ x + 3y = 6\r<BR>\n" );
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document.write( "substituting ___ x + 3(8 - 3x) = 6 ___ x + 24 - 9x = 6 \r<BR>\n" );
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document.write( "24 - 8x = 6 ___ 18 = 8x ___ 9/4 = x\r<BR>\n" );
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document.write( "substituting ___ y = 8 - 3(9/4) = 5/4 </SPAN>\n" );
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