document.write( "Question 162912: 2/5(x)-6/7=1/4 \n" ); document.write( "
Algebra.Com's Answer #120112 by checkley77(12844)\"\" \"About 
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2/5(x)-6/7=1/4
\n" ); document.write( "2x/5=1/4+6/7
\n" ); document.write( "2x/5=(7*1+6*4)/28
\n" ); document.write( "2x/5=(7+24)/28
\n" ); document.write( "2x/5=31/28
\n" ); document.write( "28*2x=5*31
\n" ); document.write( "56x=155
\n" ); document.write( "x=155/56 Answer.
\n" ); document.write( "Proof:
\n" ); document.write( "2(155/56)/5-6/7=1/4
\n" ); document.write( "310/56*1/5=1/4+6/7
\n" ); document.write( "310/280=31/28
\n" ); document.write( "280*31=310*28
\n" ); document.write( "8680=8680
\n" ); document.write( " \n" ); document.write( "
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