document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=215448>Question 215448</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ok wow I need some major help!! I need help on how to solve ordered pairs. I looked in my text book and that made me more confused!!\r<BR>\n" );
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document.write( "A) (-9,7), 7x+y<-9 What is the solution of the ordered pair? \r<BR>\n" );
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document.write( "B) 2x+9y=21, 5x-9y=-42\r<BR>\n" );
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document.write( "C) 2x+y=5, 3x+4y=-15\r<BR>\n" );
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document.write( "D) x=8, y=-7\r<BR>\n" );
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document.write( "E) Solve by te substitution method: 9m+n=8, m-9n=10\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #162795 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=162795\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ok wow I need some major help!! I need help on how to solve ordered pairs. I looked in my text book and that made me more confused!! <BR>\n" );
document.write( "A) (-9,7), 7x+y<-9 What is the solution of the ordered pair? <BR>\n" );
document.write( "You are asked to determine whether (-9,7) gives you a true statement.<BR>\n" );
document.write( "Substitute to get 7*-9+7<-9; -63+7<-9; -56 < -9<BR>\n" );
document.write( "That is true.<BR>\n" );
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document.write( "B) 2x+9y=21, <BR>\n" );
document.write( "5x-9y=-42<BR>\n" );
document.write( "--<BR>\n" );
document.write( "Add the two equations to get: <BR>\n" );
document.write( "7x = -21<BR>\n" );
document.write( "x = -3<BR>\n" );
document.write( "Substitute to solve for \"y\":<BR>\n" );
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document.write( "C) 2x+y=5<BR>\n" );
document.write( " 3x+4y=-15 <BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru the 1st equation by 4 to get:<BR>\n" );
document.write( "8x+4y = 20<BR>\n" );
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document.write( "Subtract the 2nd equation to get:<BR>\n" );
document.write( "5x = 35<BR>\n" );
document.write( "x = 7<BR>\n" );
document.write( "Substitute to solve for \"y\".<BR>\n" );
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document.write( "D) x=8, y=-7<BR>\n" );
document.write( "Hummmmm????<BR>\n" );
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document.write( "E) Solve by the substitution method: <BR>\n" );
document.write( "9m+n=8, <BR>\n" );
document.write( "m-9n=10 <BR>\n" );
document.write( "---<BR>\n" );
document.write( "m = 9n+10<BR>\n" );
document.write( "Substitute for m to solve for \"n\":<BR>\n" );
document.write( "9(9n+10)+n = 8<BR>\n" );
document.write( "82n + 90 = 8<BR>\n" );
document.write( "82n = -82<BR>\n" );
document.write( "n = -1<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Substitute to solve for \"m\"<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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