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19 July, 16:37

The expression 12 + x + 4 represents the perimeter of a triangle simplify the expression

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  1. 19 July, 18:06
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    x+16

    Step-by-step explanation:

    your simplifying so you only combine like terms.

    12 and 4 dont have any variables following them so you add the two.

    12+4=16

    there is only 1 x in the expression so just add it on.

    16+x

    there are no more like terms so you leave it as it is.
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