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forsale [732]
3 years ago
8

-9 − f − 7 = -7f + 8

Mathematics
1 answer:
Alex73 [517]3 years ago
3 0
Answer: 4

Step by step explanation

-9-f-7=-7f+8
7f-f=9+8+7
6f=24
f=24/6
f=4
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