Question

$( \frac{1}{2} m - 3) - (m - 2) - ( \frac{1}{2} m - \frac{1}{1} )$
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Answer 1

(1/2m-3) - (m-2) - (1/2m-1)

1/2m-3 - (m-2) - 1/2m+1

-3 - m + 2 + 1

0 - m

- m