document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040810>Question 1040810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hello i need help on this question i have to find the solution of 3x+y=9 & 3x-5y=15 but i cant seem to get the solution can you help me 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 #655731 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=655731\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's call the equations A and B\r<BR>\n" );
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document.write( "A: 3x+y = 9<BR>\n" );
document.write( "B: 3x-5y = 15\r<BR>\n" );
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document.write( "Subtract the equations A - B. To do this, we subtract the like terms on each side<BR>\n" );
document.write( "3x - 3x = 0x = 0. The x terms go away<BR>\n" );
document.write( "y - (-5y) = y+5y = 6y<BR>\n" );
document.write( "9-15 = -6\r<BR>\n" );
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document.write( "So after subtracting the equations (A-B) we end up with 6y = -6\r<BR>\n" );
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document.write( "Now we divide both sides by 6 to fully isolate y\r<BR>\n" );
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document.write( "6y = -6<BR>\n" );
document.write( "6y/6 = -6/6<BR>\n" );
document.write( "y = -1\r<BR>\n" );
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document.write( "Now use this to find x\r<BR>\n" );
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document.write( "3x+y=9<BR>\n" );
document.write( "3x+(-1)=9 ... replace y with -1<BR>\n" );
document.write( "3x-1 = 9<BR>\n" );
document.write( "3x-1+1 = 9+1<BR>\n" );
document.write( "3x = 10<BR>\n" );
document.write( "3x/3 = 10/3<BR>\n" );
document.write( "x = 10/3\r<BR>\n" );
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document.write( "So,<BR>\n" );
document.write( "x = 10/3<BR>\n" );
document.write( "y = -1\r<BR>\n" );
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document.write( "The solution as an ordered pair is (10/3, -1) </SPAN>\n" );
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