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jolli1 [7]
3 years ago
10

Solve 2x+7=16 pls help meee​

Mathematics
2 answers:
garik1379 [7]3 years ago
8 0
You subtract 7 on both sides, so it’ll be 16-7 which is 9. Then, your equation will be 2x=9. At this point, you’ll divide 2 on both sides. Your answer will be x=9/2.
Black_prince [1.1K]3 years ago
6 0

Answer:

5.5

Step-by-step explanation:

2x+7=16

   -7   -7

2x=11

2x/2=11/2

x=5.5

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A DVD player is regularly priced at 79.95 and is on sale for 30% off. What is the discount?
evablogger [386]

Answer:

$2.40 or $77.55

Step-by-step explanation:

I don't know if you are asking for how much off or what, so I'm doing both

First, we have to find how much we have to take off or what is 30% of 79.95 so our equation is:

79.95 x 0.03 = 2.40

So 30% of 79.95 is $2.40

To find how much our new price sale is, we have to take that $2.40 off so our equation is:

79.95 - 2.4 = 77.55

So our discount price is $77.55

hope this helps:)

7 0
3 years ago
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kherson [118]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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A number subtracted from 90 is three times that number
sergeinik [125]
90-n=3n
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3 0
3 years ago
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Mary's weight went from 80kg to 68kg. express her weight loss as a % of her original weight
Ratling [72]

80-68=12

12/80=0.12


12% is the answer

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Answer:

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Step-by-step explanation:

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