document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183263>Question 1183263</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "Find positive intergers x and y that satisfy the rule 9x + 6y = 90<BR>\n" );
document.write( "Thanks \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 #813486 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=813486\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9x + 6y = 90<BR>\n" );
document.write( "solve for y to get:<BR>\n" );
document.write( "y = 15 - 1.5x\r<BR>\n" );
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document.write( "since y = 1.5 * x, and since y has to be an integer, then:<BR>\n" );
document.write( "x has to be an even number from 2 to 8.\r<BR>\n" );
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document.write( "when that happens, y will be equal to 15 - 1.5 * x.\r<BR>\n" );
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document.write( "your solutions are shown in the following graph.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src = \"http://theo.x10hosting.com/2021/072501.jpg\" >\r<BR>\n" );
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document.write( "the coordinate points are in (x,y) format.\r<BR>\n" );
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document.write( "for example, (2,12) means the value of y is 12 when the value of x is 2.\r<BR>\n" );
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document.write( "the eqution is 9x + 6y = 90<BR>\n" );
document.write( "then y = 12 and x = 2, the equation becomes:<BR>\n" );
document.write( "9*2 + 6*9 = 90 which becomes:<BR>\n" );
document.write( "18 + 72 = 90 which becomes:<BR>\n" );
document.write( "90 = 90, confirmirming those value pairs are correct.\r<BR>\n" );
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