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Mariulka [41]
2 years ago
11

PLZ HELP HELP HELP HELP HELP

Mathematics
2 answers:
Bond [772]2 years ago
7 0

Answer:

(X - 3)*2

(X + 7)*5

(10 * X) + 20

Step-by-step explanation:

I used X as a replacement for "A number"

Hope this helped a bit

Ronch [10]2 years ago
7 0

Answer:

1. (n - 3) x 2 or n - 3 x 2

2 . (n + 7) x 5 or n + 7 x 5

3 . (10n) + 20 or 10n + 20

Step-by-step explanation:

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