Is (4y-8)cm divided by 2 equals to 4y-8cm over 2 and then a cm or is it (2y-4)cm?

Question

Is (4y-8)cm divided by 2 equals to 4y-8cm over 2 and then a cm or is it (2y-4)cm?

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Kennedy 2 weeks 2021-09-13T13:17:23+00:00 1 Answer 0

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    2021-09-13T13:18:42+00:00

    Answer:

    (2y-4)cm

    Step-by-step explanation:

    In the given question we have (4y-8) divided by 2

    which can be written mathematically as \frac{\left ( 4y-8 \right )cm}{2}

    Now (4y-8) is a quatity  with unit cm. and the whole expression is in parentheses. Moreover, two quatity can only be added or subtracted only when their units are same. Therefore 4y and 8 must have same unit that is cm.

    Therefore, \frac{\left ( 4y-8 \right )cm}{2}=(2y-4)cm and not anything else

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