document.write( "Question 97568: B is the midpoint of line AC . Line AB = 8v and Line Ac= 3v+42 .what is BC?
\n" ); document.write( "the only thing that i have is that line BC should be equal to line AB.
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Algebra.Com's Answer #70970 by checkley71(8403)\"\" \"About 
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B BEING THE MID POINT OF AC THEN AB=BC.
\n" ); document.write( "8V+8V=3V+42 [AB+BC=AC]
\n" ); document.write( "16V=3V+42
\n" ); document.write( "16V-3V=42
\n" ); document.write( "13V=42
\n" ); document.write( "V=42/13
\n" ); document.write( "V=3.23
\n" ); document.write( "PROOF
\n" ); document.write( "8*3.23+8*3.23=3*3.23+42
\n" ); document.write( "25.84+25.84=9.68+42
\n" ); document.write( "51.68=51.68
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