document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=489030>Question 489030</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to write an equation of the line containing the given point and perpendicular to the given line. (-10,8);7x-5y=2\r<BR>\n" );
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document.write( "These are the steps that I have done:<BR>\n" );
document.write( " solve for y<BR>\n" );
document.write( " 7x-5y=2<BR>\n" );
document.write( " -5y=-7+2<BR>\n" );
document.write( " y=7/5x-2/5<BR>\n" );
document.write( "the slope of the given line is 7/5<BR>\n" );
document.write( "the slope of the new line is -5/7<BR>\n" );
document.write( "next step<BR>\n" );
document.write( "y-y1=-5/7(x-x1)<BR>\n" );
document.write( "y-8=-5/7(x-x1)<BR>\n" );
document.write( "y-8=-5/7(x-(-10))<BR>\n" );
document.write( "then I needed to write it in this form= y=mx+b and solve for y<BR>\n" );
document.write( "y-8=-5/7(x+10)<BR>\n" );
document.write( "I was given the rest of the problem but do not understand how the numbers got to be what they were.<BR>\n" );
document.write( "y-8=-5/7x-50/7   How did they get the 50?<BR>\n" );
document.write( "y=5/7x+6/7       and the same here, How did they get 6/7?\r<BR>\n" );
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document.write( "I have tried to figure this out by still do not understand. Could you please explain how those numbers were reached? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #333509 by </B><A HREF=/tutors/aboutme.mpl?userid=chessace><B>chessace(471)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chessace><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=chessace><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=333509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"y-8=-5/7(x+10)<BR>\n" );
document.write( " I was given the rest of the problem but do not understand how the numbers got to be what they were.<BR>\n" );
document.write( " y-8=-5/7x-50/7 How did they get the 50?\"\r<BR>\n" );
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document.write( "The (-5/7) was distributed over (x+10), the 2nd part of which (+10) results in -5*10/7 = -50/7\r<BR>\n" );
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document.write( "\"y=5/7x+6/7 and the same here, How did they get 6/7?\"\r<BR>\n" );
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document.write( "[Note the leading \"-\" is missing]<BR>\n" );
document.write( "8 was added to both sides, 8 = 56/7, - 50/7 = 6/7<BR>\n" );
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