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22 July, 15:08

Ten less than half of what number is 30?

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  1. 22 July, 15:15
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    x = 80

    Step-by-step explanation:

    Let x be the unknown number

    1/2 x - 10 = 30

    Add 10 to each side

    1/2x - 10+10 = 30+10

    1/2x = 40

    Multiply each side by 2

    1/2x * 2 = 40*2

    x = 80
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