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Reptile [31]
3 years ago
15

9y - 2= 5(2y + 4) UGHHHHHH!

Mathematics
2 answers:
jonny [76]3 years ago
5 0

9y-2= 5(2y+4)

9y-2= 10y+20

9y-10y-2= 10y-10y+20

-y-2= 20

-y-2+2= 20+2

-y= 22

Multiply by -1 for -y and 22

-y(-1)= 22(-1)

y= -22

Answer is y= -22

hammer [34]3 years ago
3 0

Answer:

y = -22

Step-by-step explanation:

9y - 2= 5(2y + 4)

9y - 2 = 10y + 20

-22 = y

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The National Academies of Sciences Engineering, and Medicine
snow_tiger [21]

<em>Greetings from Brasil...</em>

According to the annex, we note that

1 qt = 1 quart = 0.95L

To solve this problem, just apply some rules of 3.....

1st - how many qt's are in 15.5 cups

  qt                 cup

   1   ----------     4

   X  ----------   15.5

4 · X = 1 · 15.5

4X = 15.5

X = 15.5 ÷ 4

X = 3.875qt

Last rule of 3 to know how many liters there are in 3.875qt:

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   1         ----------    0.95

3.875    ----------      Y

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In a day a young man should drink 3.68L of water

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