document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136233>Question 136233</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hey i dont unnderstand this and niether do my parents.<BR>\n" );
document.write( "graphing systems of equations.<BR>\n" );
document.write( "ok. heres one of my questions.\r<BR>\n" );
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document.write( "-5x=-21+6y<BR>\n" );
document.write( "-5x+1y=-84\r<BR>\n" );
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document.write( "and i have to find a solution but dont know how <BR>\n" );
document.write( "please help if you can thx bye </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99770 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=99770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> graphing systems of equations.<BR>\n" );
document.write( "ok. heres one of my questions. <BR>\n" );
document.write( "-5x=-21+6y<BR>\n" );
document.write( "-5x+1y=-84 <BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "1st equation:<BR>\n" );
document.write( "-5x = -21 + 6y<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "6y = -5x+21<BR>\n" );
document.write( "y = (-5/6)x + (7/2)<BR>\n" );
document.write( "Find two points on the line:<BR>\n" );
document.write( "If x = 0 , y = 7/2<BR>\n" );
document.write( "If x = 6 , y = -3/2<BR>\n" );
document.write( "Plot those two points and draw a line thru them.<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "2nd equation:<BR>\n" );
document.write( "-5x + y = -84<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "y = 5x - 84<BR>\n" );
document.write( "Find two points on the line:<BR>\n" );
document.write( "If x = 0 , y = -84<BR>\n" );
document.write( "If x = 16, y = -4<BR>\n" );
document.write( "Plot those two points and draw a line thru them.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C20%2C-90%2C10%2C5x-84%2C%28-5%2F6%29x%2B%287%2F2%29%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C20%2C-90%2C10%2C5x-84%2C%28-5%2F6%29x%2B%287%2F2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "Solution: x=15; y=-9<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );