Respuesta :

7/9

-(2/9) - ( - 1)

-(2/9) + (1)

-(2/9) + (9/9)

7/9
snog

Answer:

7/9

Step-by-step explanation:

Since a negative times a negative is positive, -(-1) becomes + 1 so the expression becomes -2/9 + 1. Using the commutative property of addition (a + b = b + a), we can rewrite this as 1 - 2/9. 1 = 9/9 so the expression becomes 9/9 - 2/9 = 7/9.

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