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Alenkinab [10]
2 years ago
5

Given f(x)=-2x-1, solve for x when f(x)=-7

Mathematics
1 answer:
Svetlanka [38]2 years ago
5 0

Answer:

The answer is -15.

Step-by-step explanation:

1. 2x - 1

2. 2(-7) - 1

3. (-14) - 1

4. -15

By plugging in our x value, we are able to use PEMDAS to  multiply 2 and the value of x and then, we subtract 1 from the value we got from step 3 to get -15.

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