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r-ruslan [8.4K]
3 years ago
5

Pls help me its for a grade

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
7 0

Answer:

D. -9

Step-by-step explanation:

5f - 6f = 9 \\  - f = 9 \\ f =  - 9

HACTEHA [7]3 years ago
7 0

its either B C or D

cant be A

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