alessia08 alessia08

04-05-2021
Mathematics

contestada

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

Respuesta :

04-05-2021

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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