2 years ago

1.2n+12!/n-1! 2. 4n+3!/2n+1!

1 answer:

3 0

Are you sure there is no bracket in the denominators (n-1)! if not then the answer is:

1) 2n + 12!/2n -1 ===> 2n + (479,001,600)/n -1 or (2n²-n+12!)/n
2) 4n+3!/2n +1! ====>4n +3/n +1

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2 years ago

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What is 3d+8=2d-7 is equations

fredd [130]

3d + 8 = 2d - 7 equals d = -15.

First, subtract 2d from both sides. Your problem should look like: 3d + 8 - 2d = -7.
Second, simplify 3d + 8 - 2d to get d + 8. Your problem should look like: d + 8 = -7.
Third, subtract 8 from both sides. Your problem should look like: d = -7 - 8.
Fourth, simplify -7 - 8 to get -15. Your problem should look like: d = -15, which is your answer.

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