Respuesta :

u = -4

Work:
-6 = 6 + 3u
-12 = 3u
-4 = u
Advent5647

Answer:

- 4

Step-by-step explanation:

Step 1:

- 6 = 6 + 3u    Equation

Step 2:

- 12 = 3u     Subtract 6 on both sides

Step 3:

- 12 ÷ 3   Divide

Answer:

x = - 4

Hope This Helps :)

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