document.write( "Question 1021491: a+b/b=c/d solve for b \n" ); document.write( "
Algebra.Com's Answer #637249 by macston(5194)\"\" \"About 
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\n" ); document.write( "\"%28a%2Bb%29%2Fb=c%2Fd\" . Multiply each side by b.
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\n" ); document.write( "\"a%2Bb=%28bc%29%2Fd\" . Multiply each side by d.
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\n" ); document.write( "\"da%2Bdb=bc\" . Subtract db from each side.
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\n" ); document.write( "\"da=bc-bd\" . Factor b from right side.
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\n" ); document.write( "\"da=b%28c-d%29\" . Divide each side by (c-d).
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\n" ); document.write( "\"%28da%29%2F%28c-d%29=b\"
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