document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=837383>Question 837383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How are you suppose to cancel out ?\r<BR>\n" );
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document.write( "(4x+2y=66)<BR>\n" );
document.write( "(12x+8y=220) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504591 by </B><A HREF=/tutors/aboutme.mpl?userid=mxgirl22><B>mxgirl22(39)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mxgirl22><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=mxgirl22><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=504591\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "1.)   (4x+2y=66)<BR>\n" );
document.write( "2.)   (12x+8y=220)\r<BR>\n" );
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document.write( "I'm assuming you mean solve for x and y.\r<BR>\n" );
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document.write( "1st) I can see x's will be easy to cancel out. So use -3 to make 4x into -12x. You need to multiply everything in equation 1.) by -3.\r<BR>\n" );
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document.write( "1.)   -3(4x+2y=66)<BR>\n" );
document.write( "2.)   (12x+8y=220)<BR>\n" );
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document.write( "      -12x-6y=-198  <---This will be your new #1\r<BR>\n" );
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document.write( "2nd) Combine.\r<BR>\n" );
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document.write( "1.)   -12x-6y=-198<BR>\n" );
document.write( "2.)    12x+8y=220<BR>\n" );
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document.write( "            2y=22<BR>\n" );
document.write( "          2y/2=22/2<BR>\n" );
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document.write( "             y=11   <----- Solution for y<BR>\n" );
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document.write( "3rd) Solve for x. Plug in y=11. Use one of the original equations.\r<BR>\n" );
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document.write( "1.)     4x+2y=66<BR>\n" );
document.write( "     4x+2(11)=66<BR>\n" );
document.write( "        4x+22=66<BR>\n" );
document.write( "     4x+22-22=66-22<BR>\n" );
document.write( "           4x=44<BR>\n" );
document.write( "         4x/4=44/4\r<BR>\n" );
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document.write( " x=11   <----- Solution for x<BR>\n" );
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document.write( "4th) Just for safety...I'm going to plug in the values I found (x=11 and y=11) into equation 2.\r<BR>\n" );
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document.write( "2.)          12x+8y=220<BR>\n" );
document.write( "       12(11)+8(11)=220<BR>\n" );
document.write( "             132+88=220<BR>\n" );
document.write( "                220=220\r<BR>\n" );
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document.write( "And it checks!\r<BR>\n" );
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document.write( "So answer is: x=11 and y=11\r<BR>\n" );
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document.write( " </SPAN>\n" );
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