2 years ago

Ken, a meteorologist, is predicting next year’s temperatures in New York City.

Mathematics

2 answers:

Shalnov [3]2 years ago

4 0

16 by Celsius
20C- 4C = 16C

omeli [17]2 years ago

4 0

20°C - 4°C = 16° C
it’s the same as normal math you just add the signs and symbols on it. hope this helped!

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What value of x satisfies the equation 5(x – 3) – 2(x + 1) = 4?

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Answer:

x = 7

Step-by-step explanation:

To solve:

Distribute 5 among everything inside the first parentheses. You'll get 5x - 15.

Next distribute -2 among everything in the second parentheses. You'll get

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All together: 5x - 15 -2x - 2 = 4

Now combine like terms:

5x - 2x = 3x and -15 - 2 = - 17

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Add 17 on both sides to get 21, and then divide both sides by 3. Answer is x = 7.

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Last, don't forget to check your work.

You can plug in 7 for x to get:

5(7 - 3) = 20

5 × 7 = 35

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-2 × 7 = -14

-2 × 1 = - 2

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20 - 16 = 4

⬆⬆⬆Therefore this is correct.

Sorry this is a bit lengthy, but hope this helps :)

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