document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=60567>Question 60567</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Parantheses in equations:\r<BR>\n" );
document.write( "\n" );
document.write( "I have tried now about 6 times working on these problems and I just can't get it all together.  I get one part then mess up another, please HELP.  \r<BR>\n" );
document.write( "\n" );
document.write( "Problem #1\r<BR>\n" );
document.write( "\n" );
document.write( "-(7D - 8) = -5(2B - 3) +1    I need to solve and do the check.<BR>\n" );
document.write( "This is what I have done.\r<BR>\n" );
document.write( "\n" );
document.write( "-(7D- 8) = -5(2D - 3) +1<BR>\n" );
document.write( "-7D + 8 = -10D + 15 + 1<BR>\n" );
document.write( "-7D + 8 = -10D + 16<BR>\n" );
document.write( "+7D       +7D <BR>\n" );
document.write( "+8 = -3D + 16<BR>\n" );
document.write( "-16       -16<BR>\n" );
document.write( "-8  =  -3D<BR>\n" );
document.write( "D  =  -8 / -3\r<BR>\n" );
document.write( "\n" );
document.write( "CHECK:<BR>\n" );
document.write( "-(7D - 8) = -5(2D - 3) + 1<BR>\n" );
document.write( "-(7 (-8 / -3) -8) = -5 (2 (-8 / -3) -3) +1<BR>\n" );
document.write( "-(56 / -3 -8) = -5 (-16 / -3) -3)  +1\r<BR>\n" );
document.write( "\n" );
document.write( "Please help   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #41576 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=41576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SEE MY COMMENTS BELOW..<BR>\n" );
document.write( "GOOD TO SEE YOU TRY SINCERELY.KEEP IT UP! THAT IS THE BEST WAY OF LEARNING.<BR>\n" );
document.write( "--------------------------------------------------------------<BR>\n" );
document.write( "Parantheses in equations: <BR>\n" );
document.write( "I have tried now about 6 times working on these problems and I just can't get it all together. I get one part then mess up another, please HELP. <BR>\n" );
document.write( "Problem #1 <BR>\n" );
document.write( "-(7D - 8) = -5(2B - 3) +1 I need to solve and do the check.<BR>\n" );
document.write( "This is what I have done. <BR>\n" );
document.write( "-(7D- 8) = -5(2D - 3) +1..........OK<BR>\n" );
document.write( "-7D + 8 = -10D + 15 + 1..........VERY GOOD<BR>\n" );
document.write( "-7D + 8 = -10D + 16..............VERY GOOD<BR>\n" );
document.write( "+7D +7D <BR>\n" );
document.write( "+8 = -3D + 16...........NO <BR>\n" );
document.write( "TRY TO BRING UNKNOWNS TO LHS...AND KNOWNS TO RHS...<BR>\n" );
document.write( "TO DO THIS FOLLOW THE RULE THAT WHEN YOU CHANGE SIDES FROM LEFT TO RIGHT OR OTHERWISE..+ WILL BECOME - AND - WILL BECOME + ON THE OTHER SIDE.<BR>\n" );
document.write( "1.WE HAVE TO SEND -10D AN UNKNOWN ON RHS FROM RHS TO LHS. SO IT WILL BECOME +10D ON LHS<BR>\n" );
document.write( "2.WE HAVE TO SEND +8 A KNOWN ON LHS FROM LHS TO RHS.SO IT WILL BECOME -8 ON RHS.<BR>\n" );
document.write( "SO WE GET <BR>\n" );
document.write( "-7D+10D = 16 - 8 =8<BR>\n" );
document.write( "3D = 8<BR>\n" );
document.write( "D = 8/3<BR>\n" );
document.write( "------------------------------------------------<BR>\n" );
document.write( "CHECK<BR>\n" );
document.write( "-(7D-8) = -5(2B-3)+1<BR>\n" );
document.write( "LHS = -[7*8/3 -8]= -[(7*8-8*3)/3]=-(56-24)/3=-32/3<BR>\n" );
document.write( "RHS = -5(2*8/3 - 3) + 1 = -5[(2*8 - 3*3)/3]+1 = -5*7/3 +1 <BR>\n" );
document.write( "= (-35+3)/3=-32/3 = LHS..OK.. \r<BR>\n" );
document.write( "\n" );
document.write( "-16 -16<BR>\n" );
document.write( "-8 = -3D<BR>\n" );
document.write( "D = -8 / -3 <BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "-(7D - 8) = -5(2D - 3) + 1<BR>\n" );
document.write( "-(7 (-8 / -3) -8) = -5 (2 (-8 / -3) -3) +1<BR>\n" );
document.write( "-(56 / -3 -8) = -5 (-16 / -3) -3) +1 <BR>\n" );
document.write( "Please help <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );