document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=639672>Question 639672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't know if this is Algebra but I need help. What is the answer to x-(4x-7)=5x-(x+21) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402977 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402977\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the answer to<BR>\n" );
document.write( " x - (4x-7) = 5x - (x+21)<BR>\n" );
document.write( "removing brackets will change the signs, same as mult the inside terms by -1<BR>\n" );
document.write( "x - 4x + 7 = 5x - x - 21<BR>\n" );
document.write( "-3x + 7 = 4x - 21<BR>\n" );
document.write( "7 + 21 = 4x + 3x<BR>\n" );
document.write( "28 = 7x<BR>\n" );
document.write( "x = 28/7<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check solution in the original problem, replace x with 4<BR>\n" );
document.write( " 4 - (4(4)-7) = 5(4) -(4+21) </SPAN>\n" );
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