Question

If 20 is added to four times of a certain number the result is 5 less than 5 times of the number the number is

Answer 1

Answer:

Let the number be x.

From First Condition,

20 + 4x = 5 - 5x

4x + 5x = 5 - 20

9x = -15

x = -15/9

x = -5/3.

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Answer 2

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