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atroni [7]
3 years ago
9

Helppp I really need help in this one

Mathematics
1 answer:
Debora [2.8K]3 years ago
5 0

Answer:

m = 24

Step-by-step explanation:

(m + 7) + 2m + 11 = 90

3m + 18 = 90

3m = 72

m = 24

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