document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906100>Question 906100</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with AB = 4x+9 BC= 5x+2 AC = 56 solve for x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549630 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=549630\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assuming A, B and C are all on the same line with B between A and C, we can say\r<BR>\n" );
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document.write( "AB + BC = AC\r<BR>\n" );
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document.write( "4x+9 + 5x+2 = 56\r<BR>\n" );
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document.write( "9x + 11 = 56\r<BR>\n" );
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document.write( "9x = 56 - 11\r<BR>\n" );
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document.write( "9x = 45\r<BR>\n" );
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document.write( "x = 45/9\r<BR>\n" );
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document.write( "x = 5\r<BR>\n" );
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document.write( "Extra Info: We can use x = 5 to find AB and BC\r<BR>\n" );
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document.write( "AB = 4x+9<BR>\n" );
document.write( "AB = 4(5)+9<BR>\n" );
document.write( "AB = 20+9<BR>\n" );
document.write( "AB = 29\r<BR>\n" );
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document.write( "BC = 5x+2<BR>\n" );
document.write( "BC = 5(5)+2<BR>\n" );
document.write( "BC = 25+2<BR>\n" );
document.write( "BC = 27\r<BR>\n" );
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document.write( "Notice how AB = 29 and BC = 27 add to AC = 56 (AB+BC = 29+27 = 56 = AC). That confirms our answer. </SPAN>\n" );
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