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16-12-2020
Mathematics

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Can someone please explain to me how to do this

Can someone please explain to me how to do this class=

Respuesta :

Аноним Аноним

16-12-2020

Step-by-step explanation:

u should:

7t = t + 48 » 7t - t = 48 » 6t = 48 » t = 8

and another one is:

2u + t + 13 = 10t + u - 44» 2u + 8 + 13 = 80 + u - 44»

» 2u + 21 = u + 36 » 2u - u = 36 - 21 » u = 15

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