document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187007>Question 1187007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given that the matrix 𝑨 = [<BR>\n" );
document.write( "1 3 −2<BR>\n" );
document.write( "−1 0 6<BR>\n" );
document.write( "2 4 0<BR>\n" );
document.write( "]<BR>\n" );
document.write( "Find the matrix X, where 𝑿 = 𝑨<BR>\n" );
document.write( "𝟐 + 2𝑨 − 3𝑰, and I is a 3 x 3 identity matrix. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #819372 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20056)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=819372\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "Sorry, you can't have 𝟐 + 2𝑨 − 3𝑰 because 2 is a number, not a matrix.\r\n" );
document.write( "It makes no sense to \"add the matrix 2𝑨 − 3𝑰 to a plain old number like 2\".\r\n" );
document.write( "\r\n" );
document.write( "Edwin</PRE> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );