(10x -20)° help me solve this thank you

Question

(10x -20)° help me solve this thank you

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Alexandra 2 weeks 2021-09-11T03:30:46+00:00 1 Answer 0

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    0
    2021-09-11T03:31:54+00:00

    Answer:

    positive 30

    Step-by-step explanation:

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45:7+7-4:2-5:5*4+35:2 =? ( )