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21 September, 02:00

What's - 128+138r=718 equal

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  1. 21 September, 02:29
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    r = 6 3/23

    Step-by-step explanation:

    -128+138r=718

    add 128 to each side

    -128+128+138r=718+128

    138r = 846

    divide each side by 138

    138r/138 = 846/138

    r = 846/138

    divide top and bottom by 2

    r = 423/69

    divide top and bottom by 3

    r = 141/23

    change this to a mixed number

    r = 6 3/23
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