document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821481>Question 821481</A>: <I><SPAN STYLE=\"word-break: break-all;\"> after 4 years father's age will be 3 times as his son<BR>\n" );
document.write( "and 6 years ago father's age was 7<BR>\n" );
document.write( "times as his son find their present<BR>\n" );
document.write( "ages ? Solution . . . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494352 by </B><A HREF=/tutors/aboutme.mpl?userid=balthazar612><B>balthazar612(14)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=balthazar612><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=494352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x + 4) = 3(y + 4)<BR>\n" );
document.write( "(x - 6) = 7(y - 6)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + 4 = 3y + 12<BR>\n" );
document.write( "x - 6 = 7y - 42 ---<BR>\n" );
document.write( "put the system of linear equations<BR>\n" );
document.write( "into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x - 3y = 8<BR>\n" );
document.write( "x - 7y = -36<BR>\n" );
document.write( "Subtracting equati0n 2 from 1<BR>\n" );
document.write( "4y = 44<BR>\n" );
document.write( "Y = 11<BR>\n" );
document.write( "Putting value of y in equation 1 we get <BR>\n" );
document.write( "X-3(11) =8<BR>\n" );
document.write( "X -33 =8<BR>\n" );
document.write( "X= 8+33<BR>\n" );
document.write( "X= 41 <BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "x= father = 41<BR>\n" );
document.write( "y= son = 11<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );