document.write( "Question 358572: B is between A and C.
\n" ); document.write( "AB=2x-4
\n" ); document.write( "BC=7x+5
\n" ); document.write( "AC=82
\n" ); document.write( "What is the value of x? Show your work for credit
\n" ); document.write( "

Algebra.Com's Answer #255914 by checkley77(12844)\"\" \"About 
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AB=2x-4
\n" ); document.write( "BC=7x+5
\n" ); document.write( "AC=82
\n" ); document.write( "******************
\n" ); document.write( "2X-4+7X+5=82
\n" ); document.write( "9X=82+4-5
\n" ); document.write( "9X=81
\n" ); document.write( "X=81/9
\n" ); document.write( "X=9 ANSWER.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*9-4+7*9+5=82
\n" ); document.write( "18-4+63+5=82
\n" ); document.write( "86-4=82
\n" ); document.write( "82=82
\n" ); document.write( "
\n" );