Respuesta :

jadaconnell

Answer:

7 or -9

Step-by-step explanation:

7 + 1 = 8

-9 + 1 = 8

devishri1977

Answer:

7

Step-by-step explanation:

x + 1 = 8                           {Subtract 1 form both sides}

x + 1 - 1 = 8 -1

       x = 7

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