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18 September, 05:40

The product of eight minus a number and seven equals forty when decreased by five. Which equation represents the sentence?

A)

5 (x - 8) - 7 = 40

B)

5 (8 - x) - 7 = 40

C)

7 (x - 8) - 5 = 40

D)

7 (8 - x) - 5 = 40

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Answers (1)
  1. 18 September, 05:54
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    D.) 7 (8 - X) - 5 = 40

    let X = unknown number

    eigth minus a number is 8 - x. since the product is seven and eight minus a number then 7 * [8-x] or 7 (8-5).

    40 is its equivalent when the product is decreased by 5; therefore, 7 (8-x) - 5 = 40.
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