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10 March, 04:57

Afla valoarea lu a:7*a=8*10-31

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Answers (2)
  1. 10 March, 06:37
    0
    7 x a = 8 x 10 - 31

    7 x a = 80 - 31

    7 x a = 49

    a = 49/7

    a = 7
  2. 10 March, 06:52
    0
    7*a = 8*10 - 31. We perform the multiplication first.

    7a = 80 - 31

    7a = 49

    a = 49/7

    a = 7

    lu a = 7
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