document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363109>Question 363109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3x + 7 = (9 + x) + 2x<BR>\n" );
document.write( "Can it be?\r<BR>\n" );
document.write( "\n" );
document.write( "0 = -2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #258866 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=258866\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"3x + 7 = (9 + x) + 2x<BR>\n" );
document.write( "Can it be?\r<BR>\n" );
document.write( "\n" );
document.write( "0 = -2\"\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "3x + 7 = (9 + x) + 2x<BR>\n" );
document.write( "3x + 7 = 9 + x + 2x (removing parentheses)<BR>\n" );
document.write( "3x + 7 = 9 + 3x (adding the x's on the right)<BR>\n" );
document.write( "3x - 3x = 9 - 7 (bringing 3x's to left, and the constants to the right)<BR>\n" );
document.write( "0 = 2, result on right is not -2 it is 2, and no 0 can not equal 2 or anything else other than 0<BR>\n" );
document.write( "this problem has no solution<BR>\n" );
document.write( "you may notice that 3x + 7 and 3x + 9 have the same coefficient on the x<BR>\n" );
document.write( "which is 3<BR>\n" );
document.write( "that means that in the form y = mx + b, where m is the slope, and b is the<BR>\n" );
document.write( "y-intercept (vertical-intercept), that y = 3x + 7 and y = 3x + 9 are parallel lines, parallel lines never intersect, therefore no solution<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );