Помогите прошу,очень срочно

1) x + 1 ≥ 0                                 2) 7 - x > 0
    x ≥ -1                                          - x > - 7
                                                         x < 7

              /////////////////////////////////////////////////////////
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            - 1                               7
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   x ∈ [ - 1 ; 7) 
- 1 , 0 , 1 , 2 , 3 , 4 , 5 , 6
 Всего 8 чисел                                         

Спасбо большое!!!!