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Anestetic [448]
3 years ago
12

Andrea

Mathematics
1 answer:
maksim [4K]3 years ago
4 0

Answer:

a. Andrea is incorrect

b. By solving for x, we find that x does not equal 8, but it is equal to 7.

Step-by-step explanation:

8+4=2(x-1)

8+4=2x-2

12=2x-2

14=2x

x=7

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