document.write( "Question 1207019: If (a/b)=(c/d)= k , b,d ≠ 0 , prove that (a+c)/(b+d) = k \n" ); document.write( "
Algebra.Com's Answer #844813 by mccravyedwin(407)\"\" \"About 
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document.write( "(a/b)=(c/d)= k , b,d ≠ 0 , prove that (a+c)/(b+d) = k\r\n" );
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document.write( "\"a%2Fb=c%2Fd\"\r\n" );
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document.write( "\"a%2Fc=b%2Fd\"\r\n" );
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document.write( "\"a%2Fc%2Bc%2Fc=b%2Fd%2Bd%2Fd\"\r\n" );
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document.write( "\"%28a%2Bc%29%2Fc=%28b%2Bd%29%2Fd\"\r\n" );
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document.write( "\"%28a%2Bc%29%2F%28b%2Bd%29=c%2Fd=k\"\r\n" );
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document.write( "Edwin
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