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3 October, 11:39

Katalina is solving algebraic expressions for her math homework. She solves the problem 7y - 12, when y = 3. Katalina says that the answer is 61. Is she correct? How do you know?

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  1. 3 October, 14:51
    0
    No

    Step-by-step explanation:

    Substitute 3 in for y

    7y-12

    7 (3) - 12

    21-12

    9

    She is not correct, the correct answer would be 9
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