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Simora [160]
3 years ago
9

Seven minus 2 times a number is the same as the number minus 2

Mathematics
2 answers:
Radda [10]3 years ago
8 0
So this is what the question is saying 
7-2n  is equal to n-2


Ronch [10]3 years ago
7 0
Assume the number is x
now, we will translate the written english into equation:
seven minus 2 times the number is 7-2x
the number minus 2 is x-2
we will equate these two equations (the question says that they are equal) ans solve for x as follows:
7-2x=x-2
7+2=x+2x
9=3x
x=3
the required number is 3
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Step-by-step explanation:

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Bike speed of 21miles per hour. What is the speed per minute how many miles will the cyclist travel in 10 minutes
Elina [12.6K]

Answer:

<em><u>First part: </u></em><em><u>0.35 miles per minute</u></em>

<em><u>Second part: </u></em><em><u>3.5 miles in 10 minutes</u></em>

Step-by-step explanation:

<em>Think about this as a fraction. Fractions can't be added nor subtracted unless they share the same denominator.</em> So for this case, we have to turn hours into minutes. So 21 mph becomes 21 miles per 60 minutes. Then, we divide 60 from each side to find the speed per minute. 21/60 = 0.35, so the answer to the first part is <u>0.35 miles per minute</u>.

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