Round to the nearest hundreds place Show your work 4x = 7 - 8x - 27

Mathematics

1 answer:

faltersainse [42]3 years ago

5 0

Answer:

x = 5

Step-by-step explanation:

4x = 7 - 8x - 27

1) Combine like terms (7 and -27). So, 7 + (-27) = -20.

4x = 8x - 20

2) Subtract 8x from both sides of the equation. So, 4x - 8x = -4x.

-4x = -20

3) Divide both sides by -4. So, -20 / -4 = 5.

x = 5

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<em>Additional comment</em>

We leave out pairs with letters previous, because you've said KL is the same as LK, and KL has already been listed. The problem with this list is that it misstates the probabilities of randomly obtaining a given pair. It is not 1/15, but is 2/25 for all but letter duplicates. For duplicates (KK), the probability is 1/25, not 1/15.

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