Respuesta :

Answer:

u=13

Step-by-step explanation:

fatemehkorea

Answer:

u = 13

Step-by-step explanation:

2 (3u + 7) = - 4 (3 - 2u)

6u + 14 = - 12 + 8u

6u - 8u = - 12 - 14

- 2u = - 26

- u = - 26/2

- u = - 13

u = 13

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