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    The solution of the equation 10y - 20 = 30 is
    Question

    The solution of the equation 10y - 20 = 30 is

    A.

    2

    B.

    3

    C.

    4

    D.

    5

    Correct option is D

    10y - 20 = 30 → Add 20 both sides → 10y = 50 → y = 5. Explanation of options: (a) ✘ 10×2 - 20 = 0 (b) ✘ 10×3 - 20 = 10 (c) ✘ 10×4 - 20 = 20 (d) ✔ 10×5 - 20 = 30 ✅

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