document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=98817>Question 98817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This problem has been giving me a head ach for 2 days!! Please help! I need to know how to do this step by step, so that I can do the others... Thanks!!\r<BR>\n" );
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document.write( "Two solutions of the equation Ax+By=1 are (3,-1) and (-4,-2)<BR>\n" );
document.write( "Find A and B... After finding A and B what is the slope and the y-intercept of the line? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #71892 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=71892\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> plugging in the points gives 3A-B=1 and -4A-2B=1\r<BR>\n" );
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document.write( "multiplying the first equation by -2 gives -6A+2B=-2 ... adding this to the second equation gives -10A=-1 ... A=.1\r<BR>\n" );
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document.write( "3(.1)-B=1 ... .3-1=B ... -.7=B\r<BR>\n" );
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document.write( ".1x-.7y=1 ... -.7y=-.1x+1 ... y=(1/7)x-(1/.7) ... y=mx+b ... slope is 1/7 and y-intercept is -10/7 </SPAN>\n" );
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