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A number increased by five is negative fifteen. What is the number?

1 Answer

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Answer:

The value of the number is: n = -20

Explanation:

Given

A number increased by five is negative fifteen.

To determine

What is the number?

Let 'n' be the unknown number.

''A number increased by five'' means we have to add 5 to the number.

i.e.

n+5

Also, it is stated that a number increased by five is negative fifteen.

Thus,


  • n+5=-15

solving for n


n+5=-15

Subtract 5 from both sides


n+5-5=-15-5

Simplify


n=-20

Therefore, the value of the number is: n = -20

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