document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=26634>Question 26634</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I AM TRYING TO HELP MY DAUGHTER SOLVE THE FOLLOWING PROBLEM:<BR>\n" );
document.write( "x=3y<BR>\n" );
document.write( "3y-6=2x\r<BR>\n" );
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document.write( "Can you help me to explain how to solve this for her? Where do I begin?\r<BR>\n" );
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document.write( "Thanks, <BR>\n" );
document.write( "Jan </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #14460 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=14460\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You use \"substitution to solve this system of equations.<BR>\n" );
document.write( "1) x = 3y<BR>\n" );
document.write( "2) 3y - 6 = 2x  Substitute the 3y = x from equation 1) into equation 2) and solve for x.\r<BR>\n" );
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document.write( "x - 6 = 2x  Subtract x from both sides.<BR>\n" );
document.write( "-6 = x or x = -6  Now substitute this value of x = -6 into either of the two original equations and solve for y. Using equation 1)\r<BR>\n" );
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document.write( "-6 = 3y  Divide both sides by 3.<BR>\n" );
document.write( "-2 = y or y = -2\r<BR>\n" );
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document.write( "The solution is: (-6, -2) These are the x- and y-coordinates of the point of intersection of the two lines whose equations you started with.<BR>\n" );
document.write( "See the graph below:Red line: x = 3y  Green line: 3y - 6 = 2x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-5%2C5%2Cx%2F3%2C%282%2F3%29x%2B2%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-5%2C5%2Cx%2F3%2C%282%2F3%29x%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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