document.write( "Question 724114: \r
\n" ); document.write( "\n" ); document.write( "It's (3b over 4) minus (1 over 5) = (b over 2) i wanna solve and make b the subject. I would really appreciate step by step working out thanks :)
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Algebra.Com's Answer #443627 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
3B/4-1/5=B/2
\n" ); document.write( "3B/4-B/2=1/5
\n" ); document.write( "(3B-2*B)/4=1/5 CROSS MULTIPLY.
\n" ); document.write( "(3B-2B)/4=1/5
\n" ); document.write( "B/4=1/5 CROSS MULTIPLY.
\n" ); document.write( "5B=4
\n" ); document.write( "B=4/5 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "3(4/5)/4-1/5=(4/5)/2
\n" ); document.write( "(12/5)/4-1/5=4/5*1/2
\n" ); document.write( "12/5*1/4-1/5=4/10
\n" ); document.write( "12/20-1/5=2/5
\n" ); document.write( "3/5-1/5=2/5
\n" ); document.write( "2/5=2/5
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