Respuesta :

faizu
1/3 ( 21m + 27 )
= 1/3 X 21m + 1/3 X 27
= 7m + 9 ..

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meerkat18
The expression is may also be written as, (21m + 27) / 3. The numerical coefficients of the numerator are divisible by 3 such that,
                                     3(7m + 9) / 3
Cancel out 3 from numerator and denominator. The final answer would be 7m + 9. 

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