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yKpoI14uk [10]
3 years ago
7

Help plz and check just to make sue what is this

Mathematics
1 answer:
padilas [110]3 years ago
3 0

use cross  products to solve

5* (n-9) = 8*n

distribute

5n-45 = 8n

subtract 5n from both sides

-45 = 3n

divide both sides by 3

-15 = n

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