document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186259>Question 186259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y=x and 3x +2y=20\r<BR>\n" );
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document.write( "solution:(4,4)\r<BR>\n" );
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document.write( "how did my text book come up with the solutions (4,4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139615 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=139615\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x <BR>\n" );
document.write( "3x+2y=20<BR>\n" );
document.write( "Replacex with y in the second equation & solve for y.<BR>\n" );
document.write( "3y+2y=20<BR>\n" );
document.write( "5y=20<BR>\n" );
document.write( "y=4 ans.<BR>\n" );
document.write( "4=x<BR>\n" );
document.write( "x=4 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "3*4+2*4=20<BR>\n" );
document.write( "12=8=20<BR>\n" );
document.write( "20=20  </SPAN>\n" );
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