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4 May, 20:12

2. Which equation is equivalent to x+8 = 21?

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  1. 4 May, 22:37
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    The most obvious one i can think of would be

    x = 13

    Step-by-step explanation:

    x + 8 = 21

    x + 8-8 = 21-8

    x = 13
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