document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=24974>Question 24974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We are learning standard forms of linear equations.   Here are 2 problems i did and the teacher marked wrong,why?<BR>\n" );
document.write( "Ax+By=C<BR>\n" );
document.write( "  1. rewrite this y=2x-7 in standard form:     my work: y=2x-7<BR>\n" );
document.write( "                                                -2x -2x (minus 2x on both side)<BR>\n" );
document.write( "                                              ____________<BR>\n" );
document.write( "                                               -2x+y=-7  is my ans.<BR>\n" );
document.write( " <BR>\n" );
document.write( "  2. rewrite this y= 3/4x-5 in standard form: <BR>\n" );
document.write( "                                      my work:   y=3/4x-5<BR>\n" );
document.write( "                                            4y=4(3/4x-5) multiply by 4 on<BR>\n" );
document.write( "                                                         both side and use<BR>\n" );
document.write( "                                                         distributive property<BR>\n" );
document.write( "                                            _____________<BR>\n" );
document.write( "                                           4y=3x-20<BR>\n" );
document.write( "                                          -3x -3x       minus 3x on both side<BR>\n" );
document.write( "                                          _______________<BR>\n" );
document.write( "                                           -3x + 4y= -20 is my ans.\r<BR>\n" );
document.write( "\n" );
document.write( "What am i doing wrong?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13360 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=13360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have the right idea but she may have told you <BR>\n" );
document.write( "to write it in a particular way such as<BR>\n" );
document.write( "2x+(-1)y= 7 and <BR>\n" );
document.write( "3x+(-4)y=20<BR>\n" );
document.write( "the standard form is ax+by=c and she may have<BR>\n" );
document.write( "wanted you to determine a,b, and c.<BR>\n" );
document.write( "Good luck in the future.\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );