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19 July, 05:32

Simplify the expression twenty-one minus seven times two plus nine. show your work. then, show how the solution is affected if addition and subtraction are not applied from left to right.

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  1. 19 July, 08:47
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    21 - (7x2) + 9

    21 - (14) + 9

    7+9

    16

    21-7x2+9

    14x2+9

    28+9

    37
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