document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=17597>Question 17597</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve these 2 problems:\r<BR>\n" );
document.write( "\n" );
document.write( "8 times the difference of a number and 3 is 16.\r<BR>\n" );
document.write( "\n" );
document.write( "Solve 3xyz-2xy+3xz-4x+5y for x=-3, y=-3, and z=-4. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8494 by </B><A HREF=/tutors/aboutme.mpl?userid=xcentaur><B>xcentaur(357)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=xcentaur><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=8494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the number be x<BR>\n" );
document.write( "8(x-3)=16<BR>\n" );
document.write( "8x-24=16<BR>\n" );
document.write( "8x=40<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "<P><BR>\n" );
document.write( "3xyz-2xy+3xz-4x+5y for x=-3, y=-3, and z=-4<BR>\n" );
document.write( "<br><BR>\n" );
document.write( "3(-3)yz-2(-3)y+3(-3)z-4(-3)+5y [Substituting x]<BR>\n" );
document.write( "-9yz+6y-9z+12+5y<BR>\n" );
document.write( "-9(-3)z+6(-3)-9z+12+5(-3) [Substituting y]<BR>\n" );
document.write( "27z-18-9z+12-15<BR>\n" );
document.write( "27z-9z-6+15<BR>\n" );
document.write( "18z+9<BR>\n" );
document.write( "18(-4)+9 [substituting z]<BR>\n" );
document.write( "-72+9<BR>\n" );
document.write( "-63<BR>\n" );
document.write( "<P><BR>\n" );
document.write( "Hope this helps,<BR>\n" );
document.write( "Prabhat </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );