document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=930458>Question 930458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve this system using elimination? In steps please.\r<BR>\n" );
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document.write( "6/x-3/y=-4 and 9/x+9/y=21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #565031 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=565031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6/x - 3/y = -4<BR>\n" );
document.write( "9/x + 9/y = 21<BR>\n" );
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document.write( "6y/xy - 3x/xy = -4<BR>\n" );
document.write( "6y - 3x = -4xy<BR>\n" );
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document.write( "9/x + 9/y = 21<BR>\n" );
document.write( "9y/xy + 9x/xy = 21<BR>\n" );
document.write( "9y + 9x = 21xy<BR>\n" );
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document.write( "6y - 3x = -4xy<BR>\n" );
document.write( "9y + 9x = 21xy<BR>\n" );
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document.write( "21(6y - 3x = -4xy)<BR>\n" );
document.write( "4(9y + 9x = 21xy)<BR>\n" );
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document.write( "21*6y - 21*3x = -21*4xy<BR>\n" );
document.write( "4*9y + 4*9x = 4*21xy<BR>\n" );
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document.write( "add the two equations:<BR>\n" );
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document.write( "21*6y + 4*9y - 21*3x + 4*9x = 0<BR>\n" );
document.write( "(21*6 + 4*9)y - (21*3 + 4*9)x = 0<BR>\n" );
document.write( "162y - 99x = 0<BR>\n" );
document.write( "162y = 99x<BR>\n" );
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document.write( "answer:<BR>\n" );
document.write( "y = (99/162)x<BR>\n" );
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document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
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document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
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document.write( "Convert fractions, decimals, and percents:<BR>\n" );
document.write( "https://sooeet.com/math/fraction-decimal-percent.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
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