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11Alexandr11 [23.1K]
3 years ago
9

Daca la dublul necunoscute adaugi acelas necunoscuta intreita vei obtine 485 gaseste necunoscuta.

Mathematics
1 answer:
Butoxors [25]3 years ago
8 0

Answer:

If you add the same unknown to the triple unknown you will get 485 finds unknown.

Step-by-step explanation:

Here try watching this:               https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations/x2f8bb11595b61c86:systems-of-equations-word-problems/v/substitution-method-3

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Step-by-step explanation:

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Now dividing both sides by h. So,

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