Answer:
Step-by-step explanation:
- 2(4 - 1/3u) = - u + 2
- 8 - 2/3u = - u + 2
- u - 2/3u = 2 - 8
- 1/3u = -6
- u = -6*3
- u = -18
Exponential rules state that when you divide exponents, you subtract by the powers. The powers have the same coefficients, so you can divide the two numbers.
6 - (-3) = 9
The answer is

.
Answer:2
Step-by-step explanation: