document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=219999>Question 219999</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help.\r<BR>\n" );
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document.write( "The line 2x+5y=10 passes through the points (3c+1,d-5) and (c+4,2d+6). Find the values for c and d </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #165311 by </B><A HREF=/tutors/aboutme.mpl?userid=chibisan><B>chibisan(131)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chibisan><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=chibisan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=165311\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> subt (3c+1,d+5) first to make a new equation<BR>\n" );
document.write( "2(3c+1)+5(d+5) = 10<BR>\n" );
document.write( "6c+2+5d+5-10=0<BR>\n" );
document.write( "6c+5d=3 --(Eqn1)\r<BR>\n" );
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document.write( "Subt (c+4,2d+6) to make another equation<BR>\n" );
document.write( "2(c+4)+5(2d+6)=10<BR>\n" );
document.write( "2c+8+10d+30=10<BR>\n" );
document.write( "2c+10d+38-10=0<BR>\n" );
document.write( "2c+10d=-28 --(Eqn2)\r<BR>\n" );
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document.write( "Solve it simultaneously\r<BR>\n" );
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document.write( "6c+5d=3  --(Eqn1)<BR>\n" );
document.write( "2c+10d=-28 --(Eqn2) \r<BR>\n" );
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document.write( "(eqn1)x2\r<BR>\n" );
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document.write( "12c+10d=6 --(eqn 3)\r<BR>\n" );
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document.write( "(eqn3) - (eqn2)\r<BR>\n" );
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document.write( "(12c+10d)-(2c+10d)=6-(-28)<BR>\n" );
document.write( "10c=34<BR>\n" );
document.write( "c=3.4\r<BR>\n" );
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document.write( "subt c=3.4 to eqn 2 <BR>\n" );
document.write( "2(3.4)+10d= -28<BR>\n" );
document.write( "10d=-28-6.8<BR>\n" );
document.write( "10d= -34.8<BR>\n" );
document.write( "d= -3.48\r<BR>\n" );
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document.write( "c=3.4 , d= -3.48 (ans) </SPAN>\n" );
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