document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1132125>Question 1132125</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a=2i+3j-k,<BR>\n" );
document.write( "b=i-j+2k and<BR>\n" );
document.write( "c=3i+4j+k.<BR>\n" );
document.write( "find a+2b-c </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #749042 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=749042\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Treat the vector components just like variables.<br><BR>\n" );
document.write( "a=2i+3j-k,<BR>\n" );
document.write( "b=i-j+2k,<BR>\n" );
document.write( "c=3i+4j+k.<br><BR>\n" );
document.write( "a+2b-c =<BR>\n" );
document.write( "(2i+3j-k)+2(i-j+2k)-(3i+4j+k) =<BR>\n" );
document.write( "(2+2-3)i + (3-2-4)j + (-1+4-1)k =<BR>\n" );
document.write( "i-3j+2k<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );