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12 October, 11:33

A video game costs $21 more than a controller. Together, the video game and the controller cost $76. Which equation could be used to determine the cost x of the controller? A. x - (x - 21) = 76 B. x + 21 = 76 C. x - (x + 21) = 76 D. x + (x + 21) = 76

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  1. 12 October, 12:19
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    Answer:$D$

    Step-by-step explanation:

    Let x be the cost of the controller. Thus, the video game costs x+21. Together, they cost x+21+x=76. Clearly, D matches our result so D is the answer.
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