How to write an equation from the phrase "Seven less than twice a number equals 19"?

Draven Sellers

Draven Sellers

Answered question

2023-03-26

How to write an equation from the phrase "Seven less than twice a number equals 19"?

Answer & Explanation

cerakank2n

cerakank2n

Beginner2023-03-27Added 6 answers

If n appears twice, it means n+n or 2 n
When seven (in this case) is less than a number, it means that number has been reduced by the specified amount (seven)
7 is being subtracted from 2n
2 n - 7 = 19
rambandi69v4

rambandi69v4

Beginner2023-03-28Added 7 answers

Let's first examine the phrase "twice a number" in the sentence.
Let's give this number a variable so that it can represent any number.
Let n = a number
And we also see at the end "twice a number equals 19"
So we get #2n=19#
Then we see that "Seven less than" #2n# all equals #19#
So we get
2 n - 7 = 19
Now if you would want to solve this equation you first add 7 to both sides and we get 2 n = 26
Then we divide both side by 2
So n = 13

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