document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203697>Question 203697</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I keep having issues with these type of problems. Please help!\r<BR>\n" );
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document.write( " x+5y= 9<BR>\n" );
document.write( "3x- y=-5\r<BR>\n" );
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document.write( "Thank you!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153681 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=153681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1)  x+5y = 9,,,,,or x=9-5y<BR>\n" );
document.write( "2)  3x -y =-5<BR>\n" );
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document.write( "using  substitution,,,subst  (1)  into  (2)<BR>\n" );
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document.write( "3(9-5y) -y = -5<BR>\n" );
document.write( "27 -15y -y = -5<BR>\n" );
document.write( "-16y = -32<BR>\n" );
document.write( "y= 2<BR>\n" );
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document.write( "subst  in  (1),,,x= 9 -5(2) = -1<BR>\n" );
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document.write( "check,,,(1) (-1) +5(2) = 9,,,,ok<BR>\n" );
document.write( "(2)  3(-1) -(2) = -5,,,,,ok<BR>\n" );
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document.write( "another  technique  is  to  multiply equations  until adding or  substracting them eliminates one  variable<BR>\n" );
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document.write( "Multiply (2) by 5,,,(2) 15x-5y = -25<BR>\n" );
document.write( "(1) x+5y=9<BR>\n" );
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document.write( "adding  (1) + (2),,,,16x = -16,,,,x=-1<BR>\n" );
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document.write( "subst in (1) (-1) +5y = 9,,,5y = 10,,,y=2<BR>\n" );
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document.write( "the  other  technique  is  to  graph  both  and note  intersection.<BR>\n" );
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document.write( "Have  a  good  day<BR>\n" );
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