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4 June, 15:03

Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The number noe obtained is 3 times the same number she thought of. What is the number

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  1. 4 June, 15:24
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    4

    Step-by-step explanation:

    (x/1-5/2) 8=3x

    (2x-5/2) 8/1=3x

    16x-40/2=3x

    16x-40=6x

    16x-6x=40

    10x=40

    x=40/10

    x=4
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