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solong [7]
3 years ago
10

Can someone tell me if this is right?

Mathematics
1 answer:
Luda [366]3 years ago
3 0

Answer: (no promises this is exactly right)

-2r+6

Step-by-step explanation:

−3r+9+r+−3 =

(−3r+r)+(9+−3) =

−2r+6

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