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    Question

    If 3 (x-1) + 3

    >(x+1) = 30, then what is the value of 3 (x+2) + 3 x ?
    A 30 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 81 Correct Answer Incorrect Answer
    D 90 Correct Answer Incorrect Answer

    Solution

    3 (x-1) + 3 (x+1) = 30 => 3x/3 + 3x*3 = 30 => 3 x + 3 x*3*3 = 30*3 => 3 x + 3 x*32 = 90 => 3 (x+2) + 3 x = 90

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