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9×(x-11)-11×(x-9)=2 am repede nevoie va rooog cu detalii!!​

Răspuns :

9×(x-11)-11×(x-9)=2

9x-99-11x+99= 2

9x-11x-99+99= 2

9x-11x= 2

-2x= 2

x= -2/2

x= -1

9•(x-11)-11•(x-9)=2

9x-99-11x+99=2

-2x=2

x=2:-2

x=-1