document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=90755>Question 90755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the ordered pairs <BR>\n" );
document.write( "	(3, 1), (7, 0), (–1, –2), (–25, 8)<BR>\n" );
document.write( "are solutions for the equation x + 4y = 7?<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 #65862 by </B><A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><B>praseenakos@yahoo.com(507)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><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=praseenakos@yahoo.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=65862\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question:\r<BR>\n" );
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document.write( "Which of the ordered pairs <BR>\n" );
document.write( "	(3, 1), (7, 0), (–1, –2), (–25, 8)<BR>\n" );
document.write( "are solutions for the equation x + 4y = 7?\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "Given equation is  x + 4y = 7\r<BR>\n" );
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document.write( "To check whether the given ordered pair is a solution of the given equation, substitue x value and y value in the given equation.  If you get same vlue on both sides of the equal sign, then the ordered pair is a solution, otherwise not.\r<BR>\n" );
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document.write( "Take (3,1)\r<BR>\n" );
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document.write( "==> 3 + 4 * 1 = 7\r<BR>\n" );
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document.write( "==> 3 + 4 = 7\r<BR>\n" );
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document.write( "==> 7 = 7\r<BR>\n" );
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document.write( "That is (3,1) is a solution.\r<BR>\n" );
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document.write( "Take (7,0 )\r<BR>\n" );
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document.write( "==> 7 + 4* 0 = 7\r<BR>\n" );
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document.write( "==> 7 + 0 = 7\r<BR>\n" );
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document.write( "==> 7 = 7\r<BR>\n" );
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document.write( "That is (7,0) is a solution.\r<BR>\n" );
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document.write( "Take ( -1, -2 )\r<BR>\n" );
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document.write( "==> -1 + 4*-2 = 7\r<BR>\n" );
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document.write( "==> -1 -  8 = 7\r<BR>\n" );
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document.write( "==> -9 = 7,  which is not true\r<BR>\n" );
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document.write( "That is (-1,-2)  is not a solution.\r<BR>\n" );
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document.write( "Take (-25,8)\r<BR>\n" );
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document.write( "==> -25 + 4* 8 = 7\r<BR>\n" );
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document.write( "==> -25 + 32 = 7\r<BR>\n" );
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document.write( "==> 7 = 7, which is true.\r<BR>\n" );
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document.write( "That is (-25,8) is a solution \r<BR>\n" );
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document.write( "That is  (3, 1), (7, 0),  (–25, 8) are the solutions of the given equation.\r<BR>\n" );
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document.write( "Hope you found the explanation useful.\r<BR>\n" );
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document.write( "Regards.\r<BR>\n" );
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document.write( "Praseena.\r<BR>\n" );
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