document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=316552>Question 316552</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Idk how to solv this <BR>\n" );
document.write( "13x-2y=70<BR>\n" );
document.write( "2x-2y=4 <BR>\n" );
document.write( "Its substituting </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #226450 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=226450\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I do not know how to solve this <BR>\n" );
document.write( "13x-2y=70<BR>\n" );
document.write( "2x-2y=4 <BR>\n" );
document.write( "Its substituting\r<BR>\n" );
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document.write( "13x - 2y = 70<BR>\n" );
document.write( " 2x - 2y =  4 (using elimination so I am multiplying this by -1 and adding to the above line to cancel out the y)\r<BR>\n" );
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document.write( " 11x + 0y =  66 --> x = 6<BR>\n" );
document.write( "-2x  + 2y = -4\r<BR>\n" );
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document.write( "-2(6) + 2y = -4<BR>\n" );
document.write( "-12 + 2y = -4<BR>\n" );
document.write( "2y = 8<BR>\n" );
document.write( "y = 4\r<BR>\n" );
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document.write( "check:<BR>\n" );
document.write( "13(6) - 2(4) = 78 - 8 = 70<BR>\n" );
document.write( " 2(6) - 2(4) = 12 - 8 =  4 \r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );