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22 December, 05:30

4. Solve each equation by inspection. Explain your thinking. a) 3n=33 b) 9+w=10 c) r-15=30 d) 2y+3=11

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  1. 22 December, 08:37
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    Step-by-step explanation:

    A. 3n = 33

    n = 33 / 3 = 11

    B. 9 + w = 10

    w = 10 - 9 = 1

    C. r - 15 = 30

    r = 30 + 15 = 45

    D. 2y + 3 = 11

    2y = 11 - 3

    2y = 9

    Y = 9/2
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Home » Mathematics » 4. Solve each equation by inspection. Explain your thinking. a) 3n=33 b) 9+w=10 c) r-15=30 d) 2y+3=11
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